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Finding the Fourth Proportional to 131,854.62, 197,787.38 and 38,360.38

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Solution

The fourth proportional to 131,854.62, 197,787.38 and 38,360.38 is: 57,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,854.62 : 197,787.38 = 38,360.38 : x
  2. Step 2: Convert to fraction form
    131,854.62/197,787.38 = 38,360.38/x
  3. Step 3: Cross multiply
    131,854.62x = 197,787.38 × 38,360.38
  4. Step 4: Simplify right side
    131,854.62x = 7,587,199,056.00
  5. Step 5: Solve for x
    x = 7,587,199,056.00/131,854.62
  6. Step 6: Final answer
    x = 57,542.16

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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.