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Finding the Fourth Proportional to 178,524.38, 267,785.42 and 45,403.49

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Solution

The fourth proportional to 178,524.38, 267,785.42 and 45,403.49 is: 68,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,524.38 : 267,785.42 = 45,403.49 : x
  2. Step 2: Convert to fraction form
    178,524.38/267,785.42 = 45,403.49/x
  3. Step 3: Cross multiply
    178,524.38x = 267,785.42 × 45,403.49
  4. Step 4: Simplify right side
    178,524.38x = 12,158,393,081.56
  5. Step 5: Solve for x
    x = 12,158,393,081.56/178,524.38
  6. Step 6: Final answer
    x = 68,104.94

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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.