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Finding the Fourth Proportional to 227,679.48, 341,470.32 and 67,716.90

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Solution

The fourth proportional to 227,679.48, 341,470.32 and 67,716.90 is: 101,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,679.48 : 341,470.32 = 67,716.90 : x
  2. Step 2: Convert to fraction form
    227,679.48/341,470.32 = 67,716.90/x
  3. Step 3: Cross multiply
    227,679.48x = 341,470.32 × 67,716.90
  4. Step 4: Simplify right side
    227,679.48x = 23,123,311,512.41
  5. Step 5: Solve for x
    x = 23,123,311,512.41/227,679.48
  6. Step 6: Final answer
    x = 101,560.81

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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.