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Finding the Fourth Proportional to 225,817.83, 338,619.49 and 131,077.25

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Solution

The fourth proportional to 225,817.83, 338,619.49 and 131,077.25 is: 196,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,817.83 : 338,619.49 = 131,077.25 : x
  2. Step 2: Convert to fraction form
    225,817.83/338,619.49 = 131,077.25/x
  3. Step 3: Cross multiply
    225,817.83x = 338,619.49 × 131,077.25
  4. Step 4: Simplify right side
    225,817.83x = 44,385,310,406.78
  5. Step 5: Solve for x
    x = 44,385,310,406.78/225,817.83
  6. Step 6: Final answer
    x = 196,553.61

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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.