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Finding the Fourth Proportional to 72,244.80, 108,367.20 and 48,625.20

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Solution

The fourth proportional to 72,244.80, 108,367.20 and 48,625.20 is: 72,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,244.80 : 108,367.20 = 48,625.20 : x
  2. Step 2: Convert to fraction form
    72,244.80/108,367.20 = 48,625.20/x
  3. Step 3: Cross multiply
    72,244.80x = 108,367.20 × 48,625.20
  4. Step 4: Simplify right side
    72,244.80x = 5,269,376,773.44
  5. Step 5: Solve for x
    x = 5,269,376,773.44/72,244.80
  6. Step 6: Final answer
    x = 72,937.80

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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.