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Finding the Fourth Proportional to 192,434.70, 288,608.31 and 92,532.54

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Solution

The fourth proportional to 192,434.70, 288,608.31 and 92,532.54 is: 138,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,434.70 : 288,608.31 = 92,532.54 : x
  2. Step 2: Convert to fraction form
    192,434.70/288,608.31 = 92,532.54/x
  3. Step 3: Cross multiply
    192,434.70x = 288,608.31 × 92,532.54
  4. Step 4: Simplify right side
    192,434.70x = 26,705,659,989.41
  5. Step 5: Solve for x
    x = 26,705,659,989.41/192,434.70
  6. Step 6: Final answer
    x = 138,777.78

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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.