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Finding the Fourth Proportional to 68,264.87, 94,205.31 and 38,049.85

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Solution

The fourth proportional to 68,264.87, 94,205.31 and 38,049.85 is: 52,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,264.87 : 94,205.31 = 38,049.85 : x
  2. Step 2: Convert to fraction form
    68,264.87/94,205.31 = 38,049.85/x
  3. Step 3: Cross multiply
    68,264.87x = 94,205.31 × 38,049.85
  4. Step 4: Simplify right side
    68,264.87x = 3,584,497,914.70
  5. Step 5: Solve for x
    x = 3,584,497,914.70/68,264.87
  6. Step 6: Final answer
    x = 52,508.68

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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.