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Finding the Fourth Proportional to 83,866.88, 125,708.81 and 41,201.67

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Solution

The fourth proportional to 83,866.88, 125,708.81 and 41,201.67 is: 61,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,866.88 : 125,708.81 = 41,201.67 : x
  2. Step 2: Convert to fraction form
    83,866.88/125,708.81 = 41,201.67/x
  3. Step 3: Cross multiply
    83,866.88x = 125,708.81 × 41,201.67
  4. Step 4: Simplify right side
    83,866.88x = 5,179,413,049.32
  5. Step 5: Solve for x
    x = 5,179,413,049.32/83,866.88
  6. Step 6: Final answer
    x = 61,757.55

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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.