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Finding the Fourth Proportional to 178,375.88, 267,563.28 and 45,255.90

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Solution

The fourth proportional to 178,375.88, 267,563.28 and 45,255.90 is: 67,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,375.88 : 267,563.28 = 45,255.90 : x
  2. Step 2: Convert to fraction form
    178,375.88/267,563.28 = 45,255.90/x
  3. Step 3: Cross multiply
    178,375.88x = 267,563.28 × 45,255.90
  4. Step 4: Simplify right side
    178,375.88x = 12,108,817,043.35
  5. Step 5: Solve for x
    x = 12,108,817,043.35/178,375.88
  6. Step 6: Final answer
    x = 67,883.71

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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.