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Finding the Fourth Proportional to 181,695.96, 272,562.11 and 69,470.59

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Solution

The fourth proportional to 181,695.96, 272,562.11 and 69,470.59 is: 104,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,695.96 : 272,562.11 = 69,470.59 : x
  2. Step 2: Convert to fraction form
    181,695.96/272,562.11 = 69,470.59/x
  3. Step 3: Cross multiply
    181,695.96x = 272,562.11 × 69,470.59
  4. Step 4: Simplify right side
    181,695.96x = 18,935,050,593.34
  5. Step 5: Solve for x
    x = 18,935,050,593.34/181,695.96
  6. Step 6: Final answer
    x = 104,212.83

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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.