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Finding the Fourth Proportional to 192,766.98, 289,141.73 and 50,608.90

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Solution

The fourth proportional to 192,766.98, 289,141.73 and 50,608.90 is: 75,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,766.98 : 289,141.73 = 50,608.90 : x
  2. Step 2: Convert to fraction form
    192,766.98/289,141.73 = 50,608.90/x
  3. Step 3: Cross multiply
    192,766.98x = 289,141.73 × 50,608.90
  4. Step 4: Simplify right side
    192,766.98x = 14,633,145,375.49
  5. Step 5: Solve for x
    x = 14,633,145,375.49/192,766.98
  6. Step 6: Final answer
    x = 75,911.06

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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.