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Finding the Fourth Proportional to 178,337.96, 267,622.88 and 77,234.78

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Solution

The fourth proportional to 178,337.96, 267,622.88 and 77,234.78 is: 115,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,337.96 : 267,622.88 = 77,234.78 : x
  2. Step 2: Convert to fraction form
    178,337.96/267,622.88 = 77,234.78/x
  3. Step 3: Cross multiply
    178,337.96x = 267,622.88 × 77,234.78
  4. Step 4: Simplify right side
    178,337.96x = 20,669,794,259.77
  5. Step 5: Solve for x
    x = 20,669,794,259.77/178,337.96
  6. Step 6: Final answer
    x = 115,902.38

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1.5x scale

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.