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Finding the Fourth Proportional to 178,672.05, 267,951.17 and 58,701.15

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Solution

The fourth proportional to 178,672.05, 267,951.17 and 58,701.15 is: 88,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,672.05 : 267,951.17 = 58,701.15 : x
  2. Step 2: Convert to fraction form
    178,672.05/267,951.17 = 58,701.15/x
  3. Step 3: Cross multiply
    178,672.05x = 267,951.17 × 58,701.15
  4. Step 4: Simplify right side
    178,672.05x = 15,729,041,969.60
  5. Step 5: Solve for x
    x = 15,729,041,969.60/178,672.05
  6. Step 6: Final answer
    x = 88,033.03

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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.