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Finding the Fourth Proportional to 79,591.25, 109,843.97 and 45,604.24

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Solution

The fourth proportional to 79,591.25, 109,843.97 and 45,604.24 is: 62,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,591.25 : 109,843.97 = 45,604.24 : x
  2. Step 2: Convert to fraction form
    79,591.25/109,843.97 = 45,604.24/x
  3. Step 3: Cross multiply
    79,591.25x = 109,843.97 × 45,604.24
  4. Step 4: Simplify right side
    79,591.25x = 5,009,350,770.43
  5. Step 5: Solve for x
    x = 5,009,350,770.43/79,591.25
  6. Step 6: Final answer
    x = 62,938.46

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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.