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Finding the Fourth Proportional to 259,508.52, 389,481.48 and 101,847.68

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Solution

The fourth proportional to 259,508.52, 389,481.48 and 101,847.68 is: 152,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,508.52 : 389,481.48 = 101,847.68 : x
  2. Step 2: Convert to fraction form
    259,508.52/389,481.48 = 101,847.68/x
  3. Step 3: Cross multiply
    259,508.52x = 389,481.48 × 101,847.68
  4. Step 4: Simplify right side
    259,508.52x = 39,667,785,140.97
  5. Step 5: Solve for x
    x = 39,667,785,140.97/259,508.52
  6. Step 6: Final answer
    x = 152,857.35

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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.