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Finding the Fourth Proportional to 54,265.66, 80,917.28 and 50,646.17

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Solution

The fourth proportional to 54,265.66, 80,917.28 and 50,646.17 is: 75,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,265.66 : 80,917.28 = 50,646.17 : x
  2. Step 2: Convert to fraction form
    54,265.66/80,917.28 = 50,646.17/x
  3. Step 3: Cross multiply
    54,265.66x = 80,917.28 × 50,646.17
  4. Step 4: Simplify right side
    54,265.66x = 4,098,150,742.69
  5. Step 5: Solve for x
    x = 4,098,150,742.69/54,265.66
  6. Step 6: Final answer
    x = 75,520.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.