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Finding the Fourth Proportional to 195,562.60, 269,876.50 and 106,138.60

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Solution

The fourth proportional to 195,562.60, 269,876.50 and 106,138.60 is: 146,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,562.60 : 269,876.50 = 106,138.60 : x
  2. Step 2: Convert to fraction form
    195,562.60/269,876.50 = 106,138.60/x
  3. Step 3: Cross multiply
    195,562.60x = 269,876.50 × 106,138.60
  4. Step 4: Simplify right side
    195,562.60x = 28,644,313,882.90
  5. Step 5: Solve for x
    x = 28,644,313,882.90/195,562.60
  6. Step 6: Final answer
    x = 146,471.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.