If 55% of a number is 176 and 35% of the same number is 112, find 90% of that number.

Let's denote the number as x.

Given:
0.55x = 176
0.35x = 112

Solving the equations:
x = 176 / 0.55
x ≈ 320

Now, find 90% of the number x:
0.90 * 320 = 288

Therefore, 90% of the number is 288.