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Finding the Fourth Proportional to 71,814.44, 107,770.85 and 25,067.31

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Solution

The fourth proportional to 71,814.44, 107,770.85 and 25,067.31 is: 37,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,814.44 : 107,770.85 = 25,067.31 : x
  2. Step 2: Convert to fraction form
    71,814.44/107,770.85 = 25,067.31/x
  3. Step 3: Cross multiply
    71,814.44x = 107,770.85 × 25,067.31
  4. Step 4: Simplify right side
    71,814.44x = 2,701,525,180.58
  5. Step 5: Solve for x
    x = 2,701,525,180.58/71,814.44
  6. Step 6: Final answer
    x = 37,618.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.