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Finding the Fourth Proportional to 224,351.76, 336,591.22 and 91,327.48

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Solution

The fourth proportional to 224,351.76, 336,591.22 and 91,327.48 is: 137,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,351.76 : 336,591.22 = 91,327.48 : x
  2. Step 2: Convert to fraction form
    224,351.76/336,591.22 = 91,327.48/x
  3. Step 3: Cross multiply
    224,351.76x = 336,591.22 × 91,327.48
  4. Step 4: Simplify right side
    224,351.76x = 30,740,027,912.73
  5. Step 5: Solve for x
    x = 30,740,027,912.73/224,351.76
  6. Step 6: Final answer
    x = 137,017.10

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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.