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Finding the Fourth Proportional to 246,491.43, 369,758.32 and 86,553.62

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Solution

The fourth proportional to 246,491.43, 369,758.32 and 86,553.62 is: 129,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,491.43 : 369,758.32 = 86,553.62 : x
  2. Step 2: Convert to fraction form
    246,491.43/369,758.32 = 86,553.62/x
  3. Step 3: Cross multiply
    246,491.43x = 369,758.32 × 86,553.62
  4. Step 4: Simplify right side
    246,491.43x = 32,003,921,121.12
  5. Step 5: Solve for x
    x = 32,003,921,121.12/246,491.43
  6. Step 6: Final answer
    x = 129,837.87

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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.