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Finding the Fourth Proportional to 226,195.62, 339,305.10 and 57,717.42

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Solution

The fourth proportional to 226,195.62, 339,305.10 and 57,717.42 is: 86,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,195.62 : 339,305.10 = 57,717.42 : x
  2. Step 2: Convert to fraction form
    226,195.62/339,305.10 = 57,717.42/x
  3. Step 3: Cross multiply
    226,195.62x = 339,305.10 × 57,717.42
  4. Step 4: Simplify right side
    226,195.62x = 19,583,814,964.84
  5. Step 5: Solve for x
    x = 19,583,814,964.84/226,195.62
  6. Step 6: Final answer
    x = 86,579.11

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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.