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Finding the Fourth Proportional to 107,635.52, 161,487.87 and 32,770.15

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Solution

The fourth proportional to 107,635.52, 161,487.87 and 32,770.15 is: 49,165.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,635.52 : 161,487.87 = 32,770.15 : x
  2. Step 2: Convert to fraction form
    107,635.52/161,487.87 = 32,770.15/x
  3. Step 3: Cross multiply
    107,635.52x = 161,487.87 × 32,770.15
  4. Step 4: Simplify right side
    107,635.52x = 5,291,981,723.08
  5. Step 5: Solve for x
    x = 5,291,981,723.08/107,635.52
  6. Step 6: Final answer
    x = 49,165.76

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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.