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Finding the Fourth Proportional to 178,377.56, 267,605.78 and 60,045

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Solution

The fourth proportional to 178,377.56, 267,605.78 and 60,045 is: 90,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,377.56 : 267,605.78 = 60,045 : x
  2. Step 2: Convert to fraction form
    178,377.56/267,605.78 = 60,045/x
  3. Step 3: Cross multiply
    178,377.56x = 267,605.78 × 60,045
  4. Step 4: Simplify right side
    178,377.56x = 16,068,389,060.10
  5. Step 5: Solve for x
    x = 16,068,389,060.10/178,377.56
  6. Step 6: Final answer
    x = 90,080.78

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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.