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Finding the Fourth Proportional to 80,615.42, 120,923.44 and 24,456.02

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Solution

The fourth proportional to 80,615.42, 120,923.44 and 24,456.02 is: 36,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,615.42 : 120,923.44 = 24,456.02 : x
  2. Step 2: Convert to fraction form
    80,615.42/120,923.44 = 24,456.02/x
  3. Step 3: Cross multiply
    80,615.42x = 120,923.44 × 24,456.02
  4. Step 4: Simplify right side
    80,615.42x = 2,957,306,067.11
  5. Step 5: Solve for x
    x = 2,957,306,067.11/80,615.42
  6. Step 6: Final answer
    x = 36,684.12

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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.