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Finding the Fourth Proportional to 225,387.66, 338,252.86 and 83,367.28

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Solution

The fourth proportional to 225,387.66, 338,252.86 and 83,367.28 is: 125,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,387.66 : 338,252.86 = 83,367.28 : x
  2. Step 2: Convert to fraction form
    225,387.66/338,252.86 = 83,367.28/x
  3. Step 3: Cross multiply
    225,387.66x = 338,252.86 × 83,367.28
  4. Step 4: Simplify right side
    225,387.66x = 28,199,219,514.77
  5. Step 5: Solve for x
    x = 28,199,219,514.77/225,387.66
  6. Step 6: Final answer
    x = 125,114.30

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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.