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Finding the Fourth Proportional to 192,596.85, 288,658.65 and 108,179.56

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Solution

The fourth proportional to 192,596.85, 288,658.65 and 108,179.56 is: 162,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,596.85 : 288,658.65 = 108,179.56 : x
  2. Step 2: Convert to fraction form
    192,596.85/288,658.65 = 108,179.56/x
  3. Step 3: Cross multiply
    192,596.85x = 288,658.65 × 108,179.56
  4. Step 4: Simplify right side
    192,596.85x = 31,226,965,747.19
  5. Step 5: Solve for x
    x = 31,226,965,747.19/192,596.85
  6. Step 6: Final answer
    x = 162,136.43

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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.