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Finding the Fourth Proportional to 240,992.87, 332,578.98 and 145,481.09

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Solution

The fourth proportional to 240,992.87, 332,578.98 and 145,481.09 is: 200,769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,992.87 : 332,578.98 = 145,481.09 : x
  2. Step 2: Convert to fraction form
    240,992.87/332,578.98 = 145,481.09/x
  3. Step 3: Cross multiply
    240,992.87x = 332,578.98 × 145,481.09
  4. Step 4: Simplify right side
    240,992.87x = 48,383,950,858.59
  5. Step 5: Solve for x
    x = 48,383,950,858.59/240,992.87
  6. Step 6: Final answer
    x = 200,769.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.