Answer
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Step 1:I'll solve this step by step using the specified LaTeX formatting guidelines:
Step 2:: Define the problem
Let the unknown number be $$x$$.
We know that 30% of this number equals 45.
Step 3:: Convert the percentage to a decimal
30\% = 0.30
Step 4:: Set up the equation
0.30x = 45
Step 5:: Solve for x by dividing both sides by 0.30
x = \frac{45}{0.30}
Step 6:: Calculate the result
x = 150
Step 7:: Verify the solution
0.30 \times 150 = 45 \checkmark
Final Answer
The number is 150.
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