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Finding the Fourth Proportional to 67,356.87, 92,948.66 and 41,862.58

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Solution

The fourth proportional to 67,356.87, 92,948.66 and 41,862.58 is: 57,767.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,356.87 : 92,948.66 = 41,862.58 : x
  2. Step 2: Convert to fraction form
    67,356.87/92,948.66 = 41,862.58/x
  3. Step 3: Cross multiply
    67,356.87x = 92,948.66 × 41,862.58
  4. Step 4: Simplify right side
    67,356.87x = 3,891,070,691.86
  5. Step 5: Solve for x
    x = 3,891,070,691.86/67,356.87
  6. Step 6: Final answer
    x = 57,767.99

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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.