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Finding the Fourth Proportional to 178,404.80, 267,234.60 and 83,715.80

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Solution

The fourth proportional to 178,404.80, 267,234.60 and 83,715.80 is: 125,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,404.80 : 267,234.60 = 83,715.80 : x
  2. Step 2: Convert to fraction form
    178,404.80/267,234.60 = 83,715.80/x
  3. Step 3: Cross multiply
    178,404.80x = 267,234.60 × 83,715.80
  4. Step 4: Simplify right side
    178,404.80x = 22,371,758,326.68
  5. Step 5: Solve for x
    x = 22,371,758,326.68/178,404.80
  6. Step 6: Final answer
    x = 125,398.86

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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.