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Finding the Fourth Proportional to 72,204.88, 108,142.04 and 44,062.98

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Solution

The fourth proportional to 72,204.88, 108,142.04 and 44,062.98 is: 65,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,204.88 : 108,142.04 = 44,062.98 : x
  2. Step 2: Convert to fraction form
    72,204.88/108,142.04 = 44,062.98/x
  3. Step 3: Cross multiply
    72,204.88x = 108,142.04 × 44,062.98
  4. Step 4: Simplify right side
    72,204.88x = 4,765,060,545.68
  5. Step 5: Solve for x
    x = 4,765,060,545.68/72,204.88
  6. Step 6: Final answer
    x = 65,993.61

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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.