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Finding the Fourth Proportional to 132,786.70, 199,179.79 and 41,609.08

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Solution

The fourth proportional to 132,786.70, 199,179.79 and 41,609.08 is: 62,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,786.70 : 199,179.79 = 41,609.08 : x
  2. Step 2: Convert to fraction form
    132,786.70/199,179.79 = 41,609.08/x
  3. Step 3: Cross multiply
    132,786.70x = 199,179.79 × 41,609.08
  4. Step 4: Simplify right side
    132,786.70x = 8,287,688,755.69
  5. Step 5: Solve for x
    x = 8,287,688,755.69/132,786.70
  6. Step 6: Final answer
    x = 62,413.55

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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.