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Finding the Fourth Proportional to 68,344.70, 102,593.85 and 52,831.10

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Solution

The fourth proportional to 68,344.70, 102,593.85 and 52,831.10 is: 79,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,344.70 : 102,593.85 = 52,831.10 : x
  2. Step 2: Convert to fraction form
    68,344.70/102,593.85 = 52,831.10/x
  3. Step 3: Cross multiply
    68,344.70x = 102,593.85 × 52,831.10
  4. Step 4: Simplify right side
    68,344.70x = 5,420,145,948.74
  5. Step 5: Solve for x
    x = 5,420,145,948.74/68,344.70
  6. Step 6: Final answer
    x = 79,306.02

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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.