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Finding the Fourth Proportional to 72,234.40, 108,324.66 and 24,836.08

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Solution

The fourth proportional to 72,234.40, 108,324.66 and 24,836.08 is: 37,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,234.40 : 108,324.66 = 24,836.08 : x
  2. Step 2: Convert to fraction form
    72,234.40/108,324.66 = 24,836.08/x
  3. Step 3: Cross multiply
    72,234.40x = 108,324.66 × 24,836.08
  4. Step 4: Simplify right side
    72,234.40x = 2,690,359,921.73
  5. Step 5: Solve for x
    x = 2,690,359,921.73/72,234.40
  6. Step 6: Final answer
    x = 37,244.86

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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.