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Finding the Fourth Proportional to 275,144.45, 412,744.95 and 95,229.52

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Solution

The fourth proportional to 275,144.45, 412,744.95 and 95,229.52 is: 142,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,144.45 : 412,744.95 = 95,229.52 : x
  2. Step 2: Convert to fraction form
    275,144.45/412,744.95 = 95,229.52/x
  3. Step 3: Cross multiply
    275,144.45x = 412,744.95 × 95,229.52
  4. Step 4: Simplify right side
    275,144.45x = 39,305,502,439.06
  5. Step 5: Solve for x
    x = 39,305,502,439.06/275,144.45
  6. Step 6: Final answer
    x = 142,854.07

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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.