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Finding the Fourth Proportional to 100,267.26, 150,355.92 and 59,759.90

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Solution

The fourth proportional to 100,267.26, 150,355.92 and 59,759.90 is: 89,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,267.26 : 150,355.92 = 59,759.90 : x
  2. Step 2: Convert to fraction form
    100,267.26/150,355.92 = 59,759.90/x
  3. Step 3: Cross multiply
    100,267.26x = 150,355.92 × 59,759.90
  4. Step 4: Simplify right side
    100,267.26x = 8,985,254,743.61
  5. Step 5: Solve for x
    x = 8,985,254,743.61/100,267.26
  6. Step 6: Final answer
    x = 89,613.05

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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.