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Finding the Fourth Proportional to 225,714.17, 338,615.48 and 83,560.61

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Solution

The fourth proportional to 225,714.17, 338,615.48 and 83,560.61 is: 125,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,714.17 : 338,615.48 = 83,560.61 : x
  2. Step 2: Convert to fraction form
    225,714.17/338,615.48 = 83,560.61/x
  3. Step 3: Cross multiply
    225,714.17x = 338,615.48 × 83,560.61
  4. Step 4: Simplify right side
    225,714.17x = 28,294,914,371.17
  5. Step 5: Solve for x
    x = 28,294,914,371.17/225,714.17
  6. Step 6: Final answer
    x = 125,357.28

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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.