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Finding the Fourth Proportional to 79,912.11, 110,278.50 and 44,101.87

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Solution

The fourth proportional to 79,912.11, 110,278.50 and 44,101.87 is: 60,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,912.11 : 110,278.50 = 44,101.87 : x
  2. Step 2: Convert to fraction form
    79,912.11/110,278.50 = 44,101.87/x
  3. Step 3: Cross multiply
    79,912.11x = 110,278.50 × 44,101.87
  4. Step 4: Simplify right side
    79,912.11x = 4,863,488,070.80
  5. Step 5: Solve for x
    x = 4,863,488,070.80/79,912.11
  6. Step 6: Final answer
    x = 60,860.46

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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.