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Finding the Fourth Proportional to 132,469.88, 198,662.68 and 43,706.84

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Solution

The fourth proportional to 132,469.88, 198,662.68 and 43,706.84 is: 65,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,469.88 : 198,662.68 = 43,706.84 : x
  2. Step 2: Convert to fraction form
    132,469.88/198,662.68 = 43,706.84/x
  3. Step 3: Cross multiply
    132,469.88x = 198,662.68 × 43,706.84
  4. Step 4: Simplify right side
    132,469.88x = 8,682,917,968.73
  5. Step 5: Solve for x
    x = 8,682,917,968.73/132,469.88
  6. Step 6: Final answer
    x = 65,546.36

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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.