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Finding the Fourth Proportional to 133,469.79, 200,198.41 and 38,697.15

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Solution

The fourth proportional to 133,469.79, 200,198.41 and 38,697.15 is: 58,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,469.79 : 200,198.41 = 38,697.15 : x
  2. Step 2: Convert to fraction form
    133,469.79/200,198.41 = 38,697.15/x
  3. Step 3: Cross multiply
    133,469.79x = 200,198.41 × 38,697.15
  4. Step 4: Simplify right side
    133,469.79x = 7,747,107,901.53
  5. Step 5: Solve for x
    x = 7,747,107,901.53/133,469.79
  6. Step 6: Final answer
    x = 58,043.91

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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.