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Finding the Fourth Proportional to 67,882.89, 101,898.83 and 53,932.59

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Solution

The fourth proportional to 67,882.89, 101,898.83 and 53,932.59 is: 80,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,882.89 : 101,898.83 = 53,932.59 : x
  2. Step 2: Convert to fraction form
    67,882.89/101,898.83 = 53,932.59/x
  3. Step 3: Cross multiply
    67,882.89x = 101,898.83 × 53,932.59
  4. Step 4: Simplify right side
    67,882.89x = 5,495,667,550.21
  5. Step 5: Solve for x
    x = 5,495,667,550.21/67,882.89
  6. Step 6: Final answer
    x = 80,958.07

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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.