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Finding the Fourth Proportional to 136,363.20, 204,544.80 and 124,843.20

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Solution

The fourth proportional to 136,363.20, 204,544.80 and 124,843.20 is: 187,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,363.20 : 204,544.80 = 124,843.20 : x
  2. Step 2: Convert to fraction form
    136,363.20/204,544.80 = 124,843.20/x
  3. Step 3: Cross multiply
    136,363.20x = 204,544.80 × 124,843.20
  4. Step 4: Simplify right side
    136,363.20x = 25,536,027,375.36
  5. Step 5: Solve for x
    x = 25,536,027,375.36/136,363.20
  6. Step 6: Final answer
    x = 187,264.80

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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.