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Finding the Fourth Proportional to 104,589.62, 156,712 and 60,253.66

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Solution

The fourth proportional to 104,589.62, 156,712 and 60,253.66 is: 90,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,589.62 : 156,712 = 60,253.66 : x
  2. Step 2: Convert to fraction form
    104,589.62/156,712 = 60,253.66/x
  3. Step 3: Cross multiply
    104,589.62x = 156,712 × 60,253.66
  4. Step 4: Simplify right side
    104,589.62x = 9,442,471,565.92
  5. Step 5: Solve for x
    x = 9,442,471,565.92/104,589.62
  6. Step 6: Final answer
    x = 90,281.15

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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.