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Finding the Fourth Proportional to 147,896.65, 204,108.05 and 84,234.43

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Solution

The fourth proportional to 147,896.65, 204,108.05 and 84,234.43 is: 116,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,896.65 : 204,108.05 = 84,234.43 : x
  2. Step 2: Convert to fraction form
    147,896.65/204,108.05 = 84,234.43/x
  3. Step 3: Cross multiply
    147,896.65x = 204,108.05 × 84,234.43
  4. Step 4: Simplify right side
    147,896.65x = 17,192,924,229.62
  5. Step 5: Solve for x
    x = 17,192,924,229.62/147,896.65
  6. Step 6: Final answer
    x = 116,249.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.