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Finding the Fourth Proportional to 67,372, 92,972.10 and 37,160.14

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Solution

The fourth proportional to 67,372, 92,972.10 and 37,160.14 is: 51,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,372 : 92,972.10 = 37,160.14 : x
  2. Step 2: Convert to fraction form
    67,372/92,972.10 = 37,160.14/x
  3. Step 3: Cross multiply
    67,372x = 92,972.10 × 37,160.14
  4. Step 4: Simplify right side
    67,372x = 3,454,856,252.09
  5. Step 5: Solve for x
    x = 3,454,856,252.09/67,372
  6. Step 6: Final answer
    x = 51,280.30

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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.