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Finding the Fourth Proportional to 67,371, 92,970.72 and 37,159.14

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Solution

The fourth proportional to 67,371, 92,970.72 and 37,159.14 is: 51,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,371 : 92,970.72 = 37,159.14 : x
  2. Step 2: Convert to fraction form
    67,371/92,970.72 = 37,159.14/x
  3. Step 3: Cross multiply
    67,371x = 92,970.72 × 37,159.14
  4. Step 4: Simplify right side
    67,371x = 3,454,712,000.38
  5. Step 5: Solve for x
    x = 3,454,712,000.38/67,371
  6. Step 6: Final answer
    x = 51,278.92

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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.