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Finding the Fourth Proportional to 65,695.20, 98,521.20 and 24,136.80

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Solution

The fourth proportional to 65,695.20, 98,521.20 and 24,136.80 is: 36,197.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,695.20 : 98,521.20 = 24,136.80 : x
  2. Step 2: Convert to fraction form
    65,695.20/98,521.20 = 24,136.80/x
  3. Step 3: Cross multiply
    65,695.20x = 98,521.20 × 24,136.80
  4. Step 4: Simplify right side
    65,695.20x = 2,377,986,500.16
  5. Step 5: Solve for x
    x = 2,377,986,500.16/65,695.20
  6. Step 6: Final answer
    x = 36,197.26

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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.