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Finding the Fourth Proportional to 80,228.79, 110,716.61 and 44,419.44

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Solution

The fourth proportional to 80,228.79, 110,716.61 and 44,419.44 is: 61,299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,228.79 : 110,716.61 = 44,419.44 : x
  2. Step 2: Convert to fraction form
    80,228.79/110,716.61 = 44,419.44/x
  3. Step 3: Cross multiply
    80,228.79x = 110,716.61 × 44,419.44
  4. Step 4: Simplify right side
    80,228.79x = 4,917,969,592.80
  5. Step 5: Solve for x
    x = 4,917,969,592.80/80,228.79
  6. Step 6: Final answer
    x = 61,299.31

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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.