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Finding the Fourth Proportional to 132,756, 199,134 and 45,204

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Solution

The fourth proportional to 132,756, 199,134 and 45,204 is: 67,806

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,756 : 199,134 = 45,204 : x
  2. Step 2: Convert to fraction form
    132,756/199,134 = 45,204/x
  3. Step 3: Cross multiply
    132,756x = 199,134 × 45,204
  4. Step 4: Simplify right side
    132,756x = 9,001,653,336
  5. Step 5: Solve for x
    x = 9,001,653,336/132,756
  6. Step 6: Final answer
    x = 67,806

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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.