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Finding the Fourth Proportional to 178,589.82, 267,698.42 and 60,220.46

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Solution

The fourth proportional to 178,589.82, 267,698.42 and 60,220.46 is: 90,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,589.82 : 267,698.42 = 60,220.46 : x
  2. Step 2: Convert to fraction form
    178,589.82/267,698.42 = 60,220.46/x
  3. Step 3: Cross multiply
    178,589.82x = 267,698.42 × 60,220.46
  4. Step 4: Simplify right side
    178,589.82x = 16,120,921,993.67
  5. Step 5: Solve for x
    x = 16,120,921,993.67/178,589.82
  6. Step 6: Final answer
    x = 90,267.87

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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.