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Finding the Fourth Proportional to 136,498.92, 204,740.91 and 41,729.06

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Solution

The fourth proportional to 136,498.92, 204,740.91 and 41,729.06 is: 62,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,498.92 : 204,740.91 = 41,729.06 : x
  2. Step 2: Convert to fraction form
    136,498.92/204,740.91 = 41,729.06/x
  3. Step 3: Cross multiply
    136,498.92x = 204,740.91 × 41,729.06
  4. Step 4: Simplify right side
    136,498.92x = 8,543,644,694.14
  5. Step 5: Solve for x
    x = 8,543,644,694.14/136,498.92
  6. Step 6: Final answer
    x = 62,591.30

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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.