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Finding the Fourth Proportional to 181,709.68, 272,609.88 and 63,382.72

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Solution

The fourth proportional to 181,709.68, 272,609.88 and 63,382.72 is: 95,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,709.68 : 272,609.88 = 63,382.72 : x
  2. Step 2: Convert to fraction form
    181,709.68/272,609.88 = 63,382.72/x
  3. Step 3: Cross multiply
    181,709.68x = 272,609.88 × 63,382.72
  4. Step 4: Simplify right side
    181,709.68x = 17,278,755,693.27
  5. Step 5: Solve for x
    x = 17,278,755,693.27/181,709.68
  6. Step 6: Final answer
    x = 95,089.90

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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.