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Finding the Fourth Proportional to 178,359.57, 267,583.91 and 125,871.57

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Solution

The fourth proportional to 178,359.57, 267,583.91 and 125,871.57 is: 188,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,359.57 : 267,583.91 = 125,871.57 : x
  2. Step 2: Convert to fraction form
    178,359.57/267,583.91 = 125,871.57/x
  3. Step 3: Cross multiply
    178,359.57x = 267,583.91 × 125,871.57
  4. Step 4: Simplify right side
    178,359.57x = 33,681,206,229.08
  5. Step 5: Solve for x
    x = 33,681,206,229.08/178,359.57
  6. Step 6: Final answer
    x = 188,838.79

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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.