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Finding the Fourth Proportional to 178,240.68, 267,508.71 and 89,519.58

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Solution

The fourth proportional to 178,240.68, 267,508.71 and 89,519.58 is: 134,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,240.68 : 267,508.71 = 89,519.58 : x
  2. Step 2: Convert to fraction form
    178,240.68/267,508.71 = 89,519.58/x
  3. Step 3: Cross multiply
    178,240.68x = 267,508.71 × 89,519.58
  4. Step 4: Simplify right side
    178,240.68x = 23,947,267,365.54
  5. Step 5: Solve for x
    x = 23,947,267,365.54/178,240.68
  6. Step 6: Final answer
    x = 134,353.55

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1.5x scale

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.