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Finding the Fourth Proportional to 178,201.66, 267,342.39 and 59,869.78

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Solution

The fourth proportional to 178,201.66, 267,342.39 and 59,869.78 is: 89,818.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,201.66 : 267,342.39 = 59,869.78 : x
  2. Step 2: Convert to fraction form
    178,201.66/267,342.39 = 59,869.78/x
  3. Step 3: Cross multiply
    178,201.66x = 267,342.39 × 59,869.78
  4. Step 4: Simplify right side
    178,201.66x = 16,005,730,073.97
  5. Step 5: Solve for x
    x = 16,005,730,073.97/178,201.66
  6. Step 6: Final answer
    x = 89,818.08

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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.