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Finding the Fourth Proportional to 80,447.78, 111,017.89 and 44,149.46

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Solution

The fourth proportional to 80,447.78, 111,017.89 and 44,149.46 is: 60,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,447.78 : 111,017.89 = 44,149.46 : x
  2. Step 2: Convert to fraction form
    80,447.78/111,017.89 = 44,149.46/x
  3. Step 3: Cross multiply
    80,447.78x = 111,017.89 × 44,149.46
  4. Step 4: Simplify right side
    80,447.78x = 4,901,379,393.94
  5. Step 5: Solve for x
    x = 4,901,379,393.94/80,447.78
  6. Step 6: Final answer
    x = 60,926.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.