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Finding the Fourth Proportional to 132,220.68, 198,310.29 and 43,473.54

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Solution

The fourth proportional to 132,220.68, 198,310.29 and 43,473.54 is: 65,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,220.68 : 198,310.29 = 43,473.54 : x
  2. Step 2: Convert to fraction form
    132,220.68/198,310.29 = 43,473.54/x
  3. Step 3: Cross multiply
    132,220.68x = 198,310.29 × 43,473.54
  4. Step 4: Simplify right side
    132,220.68x = 8,621,250,324.73
  5. Step 5: Solve for x
    x = 8,621,250,324.73/132,220.68
  6. Step 6: Final answer
    x = 65,203.49

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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.