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Finding the Fourth Proportional to 195,706.72, 293,676.72 and 71,057.44

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Solution

The fourth proportional to 195,706.72, 293,676.72 and 71,057.44 is: 106,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,706.72 : 293,676.72 = 71,057.44 : x
  2. Step 2: Convert to fraction form
    195,706.72/293,676.72 = 71,057.44/x
  3. Step 3: Cross multiply
    195,706.72x = 293,676.72 × 71,057.44
  4. Step 4: Simplify right side
    195,706.72x = 20,867,915,910.80
  5. Step 5: Solve for x
    x = 20,867,915,910.80/195,706.72
  6. Step 6: Final answer
    x = 106,628.51

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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.