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Finding the Fourth Proportional to 392,092.44, 588,083.07 and 125,818.50

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Solution

The fourth proportional to 392,092.44, 588,083.07 and 125,818.50 is: 188,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,092.44 : 588,083.07 = 125,818.50 : x
  2. Step 2: Convert to fraction form
    392,092.44/588,083.07 = 125,818.50/x
  3. Step 3: Cross multiply
    392,092.44x = 588,083.07 × 125,818.50
  4. Step 4: Simplify right side
    392,092.44x = 73,991,729,742.80
  5. Step 5: Solve for x
    x = 73,991,729,742.80/392,092.44
  6. Step 6: Final answer
    x = 188,709.91

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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.