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Finding the Fourth Proportional to 60,704.92, 83,815.90 and 50,659.28

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Solution

The fourth proportional to 60,704.92, 83,815.90 and 50,659.28 is: 69,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,704.92 : 83,815.90 = 50,659.28 : x
  2. Step 2: Convert to fraction form
    60,704.92/83,815.90 = 50,659.28/x
  3. Step 3: Cross multiply
    60,704.92x = 83,815.90 × 50,659.28
  4. Step 4: Simplify right side
    60,704.92x = 4,246,053,146.55
  5. Step 5: Solve for x
    x = 4,246,053,146.55/60,704.92
  6. Step 6: Final answer
    x = 69,945.78

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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.