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Finding the Fourth Proportional to 171,874.20, 258,005.70 and 92,947.80

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Solution

The fourth proportional to 171,874.20, 258,005.70 and 92,947.80 is: 139,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,874.20 : 258,005.70 = 92,947.80 : x
  2. Step 2: Convert to fraction form
    171,874.20/258,005.70 = 92,947.80/x
  3. Step 3: Cross multiply
    171,874.20x = 258,005.70 × 92,947.80
  4. Step 4: Simplify right side
    171,874.20x = 23,981,062,202.46
  5. Step 5: Solve for x
    x = 23,981,062,202.46/171,874.20
  6. Step 6: Final answer
    x = 139,526.83

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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.