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Finding the Fourth Proportional to 225,843.96, 338,658.69 and 131,103.18

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Solution

The fourth proportional to 225,843.96, 338,658.69 and 131,103.18 is: 196,592.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,843.96 : 338,658.69 = 131,103.18 : x
  2. Step 2: Convert to fraction form
    225,843.96/338,658.69 = 131,103.18/x
  3. Step 3: Cross multiply
    225,843.96x = 338,658.69 × 131,103.18
  4. Step 4: Simplify right side
    225,843.96x = 44,399,231,193.63
  5. Step 5: Solve for x
    x = 44,399,231,193.63/225,843.96
  6. Step 6: Final answer
    x = 196,592.51

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1.5x scale

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.