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Finding the Fourth Proportional to 218,249.83, 327,388.56 and 68,496.03

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Solution

The fourth proportional to 218,249.83, 327,388.56 and 68,496.03 is: 102,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,249.83 : 327,388.56 = 68,496.03 : x
  2. Step 2: Convert to fraction form
    218,249.83/327,388.56 = 68,496.03/x
  3. Step 3: Cross multiply
    218,249.83x = 327,388.56 × 68,496.03
  4. Step 4: Simplify right side
    218,249.83x = 22,424,816,153.63
  5. Step 5: Solve for x
    x = 22,424,816,153.63/218,249.83
  6. Step 6: Final answer
    x = 102,748.38

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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.