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Finding the Fourth Proportional to 71,251.47, 106,889.40 and 33,793.02

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Solution

The fourth proportional to 71,251.47, 106,889.40 and 33,793.02 is: 50,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,251.47 : 106,889.40 = 33,793.02 : x
  2. Step 2: Convert to fraction form
    71,251.47/106,889.40 = 33,793.02/x
  3. Step 3: Cross multiply
    71,251.47x = 106,889.40 × 33,793.02
  4. Step 4: Simplify right side
    71,251.47x = 3,612,115,631.99
  5. Step 5: Solve for x
    x = 3,612,115,631.99/71,251.47
  6. Step 6: Final answer
    x = 50,695.31

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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.