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Finding the Fourth Proportional to 72,462.98, 108,680.63 and 22,543.70

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Solution

The fourth proportional to 72,462.98, 108,680.63 and 22,543.70 is: 33,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,462.98 : 108,680.63 = 22,543.70 : x
  2. Step 2: Convert to fraction form
    72,462.98/108,680.63 = 22,543.70/x
  3. Step 3: Cross multiply
    72,462.98x = 108,680.63 × 22,543.70
  4. Step 4: Simplify right side
    72,462.98x = 2,450,062,862.41
  5. Step 5: Solve for x
    x = 2,450,062,862.41/72,462.98
  6. Step 6: Final answer
    x = 33,811.24

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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.