Finding the Fourth Proportional to 120,991.52, 181,487.28 and 37,892
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Solution
The fourth proportional to 120,991.52, 181,487.28 and 37,892 is: 56,838
Step by Step Solution
- Step 1: Write the proportion equation
120,991.52 : 181,487.28 = 37,892 : x - Step 2: Convert to fraction form
120,991.52/181,487.28 = 37,892/x - Step 3: Cross multiply
120,991.52x = 181,487.28 × 37,892 - Step 4: Simplify right side
120,991.52x = 6,876,916,013.76 - Step 5: Solve for x
x = 6,876,916,013.76/120,991.52 - Step 6: Final answer
x = 56,838
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.