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Finding the Fourth Proportional to 68,414.60, 94,411.26 and 38,200.44

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Solution

The fourth proportional to 68,414.60, 94,411.26 and 38,200.44 is: 52,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,414.60 : 94,411.26 = 38,200.44 : x
  2. Step 2: Convert to fraction form
    68,414.60/94,411.26 = 38,200.44/x
  3. Step 3: Cross multiply
    68,414.60x = 94,411.26 × 38,200.44
  4. Step 4: Simplify right side
    68,414.60x = 3,606,551,672.95
  5. Step 5: Solve for x
    x = 3,606,551,672.95/68,414.60
  6. Step 6: Final answer
    x = 52,716.12

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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.