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Finding the Fourth Proportional to 178,211.28, 267,341.49 and 59,891.79

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Solution

The fourth proportional to 178,211.28, 267,341.49 and 59,891.79 is: 89,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,211.28 : 267,341.49 = 59,891.79 : x
  2. Step 2: Convert to fraction form
    178,211.28/267,341.49 = 59,891.79/x
  3. Step 3: Cross multiply
    178,211.28x = 267,341.49 × 59,891.79
  4. Step 4: Simplify right side
    178,211.28x = 16,011,560,377.37
  5. Step 5: Solve for x
    x = 16,011,560,377.37/178,211.28
  6. Step 6: Final answer
    x = 89,845.94

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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.