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Finding the Fourth Proportional to 243,997.98, 336,717.14 and 136,568

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Solution

The fourth proportional to 243,997.98, 336,717.14 and 136,568 is: 188,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,997.98 : 336,717.14 = 136,568 : x
  2. Step 2: Convert to fraction form
    243,997.98/336,717.14 = 136,568/x
  3. Step 3: Cross multiply
    243,997.98x = 336,717.14 × 136,568
  4. Step 4: Simplify right side
    243,997.98x = 45,984,786,375.52
  5. Step 5: Solve for x
    x = 45,984,786,375.52/243,997.98
  6. Step 6: Final answer
    x = 188,463.80

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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.