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Finding the Fourth Proportional to 66,787.62, 92,167.07 and 36,161.04

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Solution

The fourth proportional to 66,787.62, 92,167.07 and 36,161.04 is: 49,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,787.62 : 92,167.07 = 36,161.04 : x
  2. Step 2: Convert to fraction form
    66,787.62/92,167.07 = 36,161.04/x
  3. Step 3: Cross multiply
    66,787.62x = 92,167.07 × 36,161.04
  4. Step 4: Simplify right side
    66,787.62x = 3,332,857,104.95
  5. Step 5: Solve for x
    x = 3,332,857,104.95/66,787.62
  6. Step 6: Final answer
    x = 49,902.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.