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Finding the Fourth Proportional to 226,694.88, 312,833.88 and 131,199.66

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Solution

The fourth proportional to 226,694.88, 312,833.88 and 131,199.66 is: 181,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,694.88 : 312,833.88 = 131,199.66 : x
  2. Step 2: Convert to fraction form
    226,694.88/312,833.88 = 131,199.66/x
  3. Step 3: Cross multiply
    226,694.88x = 312,833.88 × 131,199.66
  4. Step 4: Simplify right side
    226,694.88x = 41,043,698,692.48
  5. Step 5: Solve for x
    x = 41,043,698,692.48/226,694.88
  6. Step 6: Final answer
    x = 181,052.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.