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Finding the Fourth Proportional to 181,685.97, 272,530.17 and 63,356.85

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Solution

The fourth proportional to 181,685.97, 272,530.17 and 63,356.85 is: 95,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,685.97 : 272,530.17 = 63,356.85 : x
  2. Step 2: Convert to fraction form
    181,685.97/272,530.17 = 63,356.85/x
  3. Step 3: Cross multiply
    181,685.97x = 272,530.17 × 63,356.85
  4. Step 4: Simplify right side
    181,685.97x = 17,266,653,101.16
  5. Step 5: Solve for x
    x = 17,266,653,101.16/181,685.97
  6. Step 6: Final answer
    x = 95,035.70

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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.