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Finding the Fourth Proportional to 80,314.56, 120,489.08 and 24,149.97

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Solution

The fourth proportional to 80,314.56, 120,489.08 and 24,149.97 is: 36,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,314.56 : 120,489.08 = 24,149.97 : x
  2. Step 2: Convert to fraction form
    80,314.56/120,489.08 = 24,149.97/x
  3. Step 3: Cross multiply
    80,314.56x = 120,489.08 × 24,149.97
  4. Step 4: Simplify right side
    80,314.56x = 2,909,807,546.58
  5. Step 5: Solve for x
    x = 2,909,807,546.58/80,314.56
  6. Step 6: Final answer
    x = 36,230.14

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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.