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Finding the Fourth Proportional to 136,729.44, 205,100.22 and 41,952.68

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Solution

The fourth proportional to 136,729.44, 205,100.22 and 41,952.68 is: 62,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,729.44 : 205,100.22 = 41,952.68 : x
  2. Step 2: Convert to fraction form
    136,729.44/205,100.22 = 41,952.68/x
  3. Step 3: Cross multiply
    136,729.44x = 205,100.22 × 41,952.68
  4. Step 4: Simplify right side
    136,729.44x = 8,604,503,897.59
  5. Step 5: Solve for x
    x = 8,604,503,897.59/136,729.44
  6. Step 6: Final answer
    x = 62,930.88

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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.