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Finding the Fourth Proportional to 178,432.88, 267,649.52 and 53,773.88

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Solution

The fourth proportional to 178,432.88, 267,649.52 and 53,773.88 is: 80,660.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,432.88 : 267,649.52 = 53,773.88 : x
  2. Step 2: Convert to fraction form
    178,432.88/267,649.52 = 53,773.88/x
  3. Step 3: Cross multiply
    178,432.88x = 267,649.52 × 53,773.88
  4. Step 4: Simplify right side
    178,432.88x = 14,392,551,563.42
  5. Step 5: Solve for x
    x = 14,392,551,563.42/178,432.88
  6. Step 6: Final answer
    x = 80,660.87

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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.