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If you take 45 percent of a number and get 80, then what is that number? In other words, you know that 45 percent of a number is 80 and you want to know what that initial number is.

To solve this problem you multiply 80 by 100 and then divide the total by 45 as follows: (80 x 100) / 45

When we put that into our calculator, we get the following answer:

177.78


Therefore, the answer to "80 is 45 percent of what number?" is 177.78, and you can also derive that 45 percent of 177.78 equals 80.

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