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Finding the Fourth Proportional to 178,607.43, 267,919.38 and 60,279.84

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Solution

The fourth proportional to 178,607.43, 267,919.38 and 60,279.84 is: 90,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,607.43 : 267,919.38 = 60,279.84 : x
  2. Step 2: Convert to fraction form
    178,607.43/267,919.38 = 60,279.84/x
  3. Step 3: Cross multiply
    178,607.43x = 267,919.38 × 60,279.84
  4. Step 4: Simplify right side
    178,607.43x = 16,150,137,359.30
  5. Step 5: Solve for x
    x = 16,150,137,359.30/178,607.43
  6. Step 6: Final answer
    x = 90,422.54

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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.