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Finding the Fourth Proportional to 136,049.91, 204,062.72 and 36,206.28

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Solution

The fourth proportional to 136,049.91, 204,062.72 and 36,206.28 is: 54,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,049.91 : 204,062.72 = 36,206.28 : x
  2. Step 2: Convert to fraction form
    136,049.91/204,062.72 = 36,206.28/x
  3. Step 3: Cross multiply
    136,049.91x = 204,062.72 × 36,206.28
  4. Step 4: Simplify right side
    136,049.91x = 7,388,351,796.85
  5. Step 5: Solve for x
    x = 7,388,351,796.85/136,049.91
  6. Step 6: Final answer
    x = 54,306.19

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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.