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Finding the Fourth Proportional to 68,344.70, 102,517.05 and 41,963.90

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Solution

The fourth proportional to 68,344.70, 102,517.05 and 41,963.90 is: 62,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,344.70 : 102,517.05 = 41,963.90 : x
  2. Step 2: Convert to fraction form
    68,344.70/102,517.05 = 41,963.90/x
  3. Step 3: Cross multiply
    68,344.70x = 102,517.05 × 41,963.90
  4. Step 4: Simplify right side
    68,344.70x = 4,302,015,234.50
  5. Step 5: Solve for x
    x = 4,302,015,234.50/68,344.70
  6. Step 6: Final answer
    x = 62,945.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.