math help

Find the value of X which will make the proportion true:?
6/20 = 78/x
260 -----

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  1. You are right.

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  2. i have no idea

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  3. The answer is 120.

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  4. today my teacher told my mom that i fool around in math class so thats y im here

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  5. what is answer

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  6. Give me all the answers please this is hard

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