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Finding the Fourth Proportional to 356,687.54, 535,101.23 and 132,049.70

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Solution

The fourth proportional to 356,687.54, 535,101.23 and 132,049.70 is: 198,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,687.54 : 535,101.23 = 132,049.70 : x
  2. Step 2: Convert to fraction form
    356,687.54/535,101.23 = 132,049.70/x
  3. Step 3: Cross multiply
    356,687.54x = 535,101.23 × 132,049.70
  4. Step 4: Simplify right side
    356,687.54x = 70,659,954,545.75
  5. Step 5: Solve for x
    x = 70,659,954,545.75/356,687.54
  6. Step 6: Final answer
    x = 198,100.43

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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.