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Finding the Fourth Proportional to 120,691.52, 181,037.28 and 37,592

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Solution

The fourth proportional to 120,691.52, 181,037.28 and 37,592 is: 56,388

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,691.52 : 181,037.28 = 37,592 : x
  2. Step 2: Convert to fraction form
    120,691.52/181,037.28 = 37,592/x
  3. Step 3: Cross multiply
    120,691.52x = 181,037.28 × 37,592
  4. Step 4: Simplify right side
    120,691.52x = 6,805,553,429.76
  5. Step 5: Solve for x
    x = 6,805,553,429.76/120,691.52
  6. Step 6: Final answer
    x = 56,388

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.