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Finding the Fourth Proportional to 202,910.89, 304,168.46 and 84,616.09

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Solution

The fourth proportional to 202,910.89, 304,168.46 and 84,616.09 is: 126,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,910.89 : 304,168.46 = 84,616.09 : x
  2. Step 2: Convert to fraction form
    202,910.89/304,168.46 = 84,616.09/x
  3. Step 3: Cross multiply
    202,910.89x = 304,168.46 × 84,616.09
  4. Step 4: Simplify right side
    202,910.89x = 25,737,545,363.44
  5. Step 5: Solve for x
    x = 25,737,545,363.44/202,910.89
  6. Step 6: Final answer
    x = 126,841.62

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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.