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Finding the Fourth Proportional to 73,394.78, 110,080.26 and 20,791.94

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Solution

The fourth proportional to 73,394.78, 110,080.26 and 20,791.94 is: 31,184.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,394.78 : 110,080.26 = 20,791.94 : x
  2. Step 2: Convert to fraction form
    73,394.78/110,080.26 = 20,791.94/x
  3. Step 3: Cross multiply
    73,394.78x = 110,080.26 × 20,791.94
  4. Step 4: Simplify right side
    73,394.78x = 2,288,781,610.70
  5. Step 5: Solve for x
    x = 2,288,781,610.70/73,394.78
  6. Step 6: Final answer
    x = 31,184.53

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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.