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Finding the Fourth Proportional to 71,366.70, 107,214.14 and 50,355.17

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Solution

The fourth proportional to 71,366.70, 107,214.14 and 50,355.17 is: 75,648.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.70 : 107,214.14 = 50,355.17 : x
  2. Step 2: Convert to fraction form
    71,366.70/107,214.14 = 50,355.17/x
  3. Step 3: Cross multiply
    71,366.70x = 107,214.14 × 50,355.17
  4. Step 4: Simplify right side
    71,366.70x = 5,398,786,246.10
  5. Step 5: Solve for x
    x = 5,398,786,246.10/71,366.70
  6. Step 6: Final answer
    x = 75,648.53

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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.