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Finding the Fourth Proportional to 192,360.62, 288,545.86 and 91,134.97

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Solution

The fourth proportional to 192,360.62, 288,545.86 and 91,134.97 is: 136,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,360.62 : 288,545.86 = 91,134.97 : x
  2. Step 2: Convert to fraction form
    192,360.62/288,545.86 = 91,134.97/x
  3. Step 3: Cross multiply
    192,360.62x = 288,545.86 × 91,134.97
  4. Step 4: Simplify right side
    192,360.62x = 26,296,619,310.35
  5. Step 5: Solve for x
    x = 26,296,619,310.35/192,360.62
  6. Step 6: Final answer
    x = 136,704.79

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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.