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Finding the Fourth Proportional to 225,714.43, 338,568.27 and 54,936.73

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Solution

The fourth proportional to 225,714.43, 338,568.27 and 54,936.73 is: 82,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,714.43 : 338,568.27 = 54,936.73 : x
  2. Step 2: Convert to fraction form
    225,714.43/338,568.27 = 54,936.73/x
  3. Step 3: Cross multiply
    225,714.43x = 338,568.27 × 54,936.73
  4. Step 4: Simplify right side
    225,714.43x = 18,599,833,635.56
  5. Step 5: Solve for x
    x = 18,599,833,635.56/225,714.43
  6. Step 6: Final answer
    x = 82,404.27

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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.