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Finding the Fourth Proportional to 72,340.92, 108,515.48 and 24,958.19

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Solution

The fourth proportional to 72,340.92, 108,515.48 and 24,958.19 is: 37,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,340.92 : 108,515.48 = 24,958.19 : x
  2. Step 2: Convert to fraction form
    72,340.92/108,515.48 = 24,958.19/x
  3. Step 3: Cross multiply
    72,340.92x = 108,515.48 × 24,958.19
  4. Step 4: Simplify right side
    72,340.92x = 2,708,350,114.28
  5. Step 5: Solve for x
    x = 2,708,350,114.28/72,340.92
  6. Step 6: Final answer
    x = 37,438.70

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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.