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Finding the Fourth Proportional to 269,741.88, 404,861.22 and 136,716.39

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Solution

The fourth proportional to 269,741.88, 404,861.22 and 136,716.39 is: 205,200.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,741.88 : 404,861.22 = 136,716.39 : x
  2. Step 2: Convert to fraction form
    269,741.88/404,861.22 = 136,716.39/x
  3. Step 3: Cross multiply
    269,741.88x = 404,861.22 × 136,716.39
  4. Step 4: Simplify right side
    269,741.88x = 55,351,164,449.40
  5. Step 5: Solve for x
    x = 55,351,164,449.40/269,741.88
  6. Step 6: Final answer
    x = 205,200.48

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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.