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Finding the Fourth Proportional to 192,791.98, 289,179.46 and 52,550.61

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Solution

The fourth proportional to 192,791.98, 289,179.46 and 52,550.61 is: 78,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,791.98 : 289,179.46 = 52,550.61 : x
  2. Step 2: Convert to fraction form
    192,791.98/289,179.46 = 52,550.61/x
  3. Step 3: Cross multiply
    192,791.98x = 289,179.46 × 52,550.61
  4. Step 4: Simplify right side
    192,791.98x = 15,196,557,022.47
  5. Step 5: Solve for x
    x = 15,196,557,022.47/192,791.98
  6. Step 6: Final answer
    x = 78,823.60

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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.