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Finding the Fourth Proportional to 178,176.20, 267,005.10 and 151,737.80

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Solution

The fourth proportional to 178,176.20, 267,005.10 and 151,737.80 is: 227,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,176.20 : 267,005.10 = 151,737.80 : x
  2. Step 2: Convert to fraction form
    178,176.20/267,005.10 = 151,737.80/x
  3. Step 3: Cross multiply
    178,176.20x = 267,005.10 × 151,737.80
  4. Step 4: Simplify right side
    178,176.20x = 40,514,766,462.78
  5. Step 5: Solve for x
    x = 40,514,766,462.78/178,176.20
  6. Step 6: Final answer
    x = 227,385.96

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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.