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Finding the Fourth Proportional to 84,098.67, 126,101.48 and 33,446.40

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Solution

The fourth proportional to 84,098.67, 126,101.48 and 33,446.40 is: 50,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,098.67 : 126,101.48 = 33,446.40 : x
  2. Step 2: Convert to fraction form
    84,098.67/126,101.48 = 33,446.40/x
  3. Step 3: Cross multiply
    84,098.67x = 126,101.48 × 33,446.40
  4. Step 4: Simplify right side
    84,098.67x = 4,217,640,373.44
  5. Step 5: Solve for x
    x = 4,217,640,373.44/84,098.67
  6. Step 6: Final answer
    x = 50,151.09

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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.