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Finding the Fourth Proportional to 80,796.52, 121,138.54 and 35,793.44

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Solution

The fourth proportional to 80,796.52, 121,138.54 and 35,793.44 is: 53,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,796.52 : 121,138.54 = 35,793.44 : x
  2. Step 2: Convert to fraction form
    80,796.52/121,138.54 = 35,793.44/x
  3. Step 3: Cross multiply
    80,796.52x = 121,138.54 × 35,793.44
  4. Step 4: Simplify right side
    80,796.52x = 4,335,965,063.18
  5. Step 5: Solve for x
    x = 4,335,965,063.18/80,796.52
  6. Step 6: Final answer
    x = 53,665.25

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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.