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Finding the Fourth Proportional to 113,677, 156,872.18 and 62,694.44

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Solution

The fourth proportional to 113,677, 156,872.18 and 62,694.44 is: 86,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,677 : 156,872.18 = 62,694.44 : x
  2. Step 2: Convert to fraction form
    113,677/156,872.18 = 62,694.44/x
  3. Step 3: Cross multiply
    113,677x = 156,872.18 × 62,694.44
  4. Step 4: Simplify right side
    113,677x = 9,835,013,476.68
  5. Step 5: Solve for x
    x = 9,835,013,476.68/113,677
  6. Step 6: Final answer
    x = 86,517.18

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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.