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Finding the Fourth Proportional to 178,469.70, 267,704.55 and 149,601.30

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Solution

The fourth proportional to 178,469.70, 267,704.55 and 149,601.30 is: 224,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,469.70 : 267,704.55 = 149,601.30 : x
  2. Step 2: Convert to fraction form
    178,469.70/267,704.55 = 149,601.30/x
  3. Step 3: Cross multiply
    178,469.70x = 267,704.55 × 149,601.30
  4. Step 4: Simplify right side
    178,469.70x = 40,048,948,695.92
  5. Step 5: Solve for x
    x = 40,048,948,695.92/178,469.70
  6. Step 6: Final answer
    x = 224,401.95

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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.