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Finding the Fourth Proportional to 132,306.98, 198,463.71 and 38,815.70

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Solution

The fourth proportional to 132,306.98, 198,463.71 and 38,815.70 is: 58,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,306.98 : 198,463.71 = 38,815.70 : x
  2. Step 2: Convert to fraction form
    132,306.98/198,463.71 = 38,815.70/x
  3. Step 3: Cross multiply
    132,306.98x = 198,463.71 × 38,815.70
  4. Step 4: Simplify right side
    132,306.98x = 7,703,507,828.25
  5. Step 5: Solve for x
    x = 7,703,507,828.25/132,306.98
  6. Step 6: Final answer
    x = 58,224.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.