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Finding the Fourth Proportional to 225,876.60, 338,846.13 and 76,159.71

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Solution

The fourth proportional to 225,876.60, 338,846.13 and 76,159.71 is: 114,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,876.60 : 338,846.13 = 76,159.71 : x
  2. Step 2: Convert to fraction form
    225,876.60/338,846.13 = 76,159.71/x
  3. Step 3: Cross multiply
    225,876.60x = 338,846.13 × 76,159.71
  4. Step 4: Simplify right side
    225,876.60x = 25,806,422,995.42
  5. Step 5: Solve for x
    x = 25,806,422,995.42/225,876.60
  6. Step 6: Final answer
    x = 114,250.09

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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.