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Finding the Fourth Proportional to 178,563.97, 267,861.66 and 66,245.41

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Solution

The fourth proportional to 178,563.97, 267,861.66 and 66,245.41 is: 99,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,563.97 : 267,861.66 = 66,245.41 : x
  2. Step 2: Convert to fraction form
    178,563.97/267,861.66 = 66,245.41/x
  3. Step 3: Cross multiply
    178,563.97x = 267,861.66 × 66,245.41
  4. Step 4: Simplify right side
    178,563.97x = 17,744,605,489.98
  5. Step 5: Solve for x
    x = 17,744,605,489.98/178,563.97
  6. Step 6: Final answer
    x = 99,373.94

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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.