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Finding the Fourth Proportional to 237,077.62, 327,167.10 and 129,647.72

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Solution

The fourth proportional to 237,077.62, 327,167.10 and 129,647.72 is: 178,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,077.62 : 327,167.10 = 129,647.72 : x
  2. Step 2: Convert to fraction form
    237,077.62/327,167.10 = 129,647.72/x
  3. Step 3: Cross multiply
    237,077.62x = 327,167.10 × 129,647.72
  4. Step 4: Simplify right side
    237,077.62x = 42,416,469,391.93
  5. Step 5: Solve for x
    x = 42,416,469,391.93/237,077.62
  6. Step 6: Final answer
    x = 178,913.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.