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Finding the Fourth Proportional to 79,992.66, 110,380.40 and 44,180.54

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Solution

The fourth proportional to 79,992.66, 110,380.40 and 44,180.54 is: 60,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,992.66 : 110,380.40 = 44,180.54 : x
  2. Step 2: Convert to fraction form
    79,992.66/110,380.40 = 44,180.54/x
  3. Step 3: Cross multiply
    79,992.66x = 110,380.40 × 44,180.54
  4. Step 4: Simplify right side
    79,992.66x = 4,876,665,677.42
  5. Step 5: Solve for x
    x = 4,876,665,677.42/79,992.66
  6. Step 6: Final answer
    x = 60,963.91

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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.