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Finding the Fourth Proportional to 72,377.57, 108,545.56 and 24,980.36

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Solution

The fourth proportional to 72,377.57, 108,545.56 and 24,980.36 is: 37,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,377.57 : 108,545.56 = 24,980.36 : x
  2. Step 2: Convert to fraction form
    72,377.57/108,545.56 = 24,980.36/x
  3. Step 3: Cross multiply
    72,377.57x = 108,545.56 × 24,980.36
  4. Step 4: Simplify right side
    72,377.57x = 2,711,506,560.02
  5. Step 5: Solve for x
    x = 2,711,506,560.02/72,377.57
  6. Step 6: Final answer
    x = 37,463.35

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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.