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Finding the Fourth Proportional to 83,941.92, 125,866.84 and 33,289.64

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Solution

The fourth proportional to 83,941.92, 125,866.84 and 33,289.64 is: 49,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,941.92 : 125,866.84 = 33,289.64 : x
  2. Step 2: Convert to fraction form
    83,941.92/125,866.84 = 33,289.64/x
  3. Step 3: Cross multiply
    83,941.92x = 125,866.84 × 33,289.64
  4. Step 4: Simplify right side
    83,941.92x = 4,190,061,791.54
  5. Step 5: Solve for x
    x = 4,190,061,791.54/83,941.92
  6. Step 6: Final answer
    x = 49,916.20

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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.