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Finding the Fourth Proportional to 226,533.78, 339,794.56 and 55,757.01

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Solution

The fourth proportional to 226,533.78, 339,794.56 and 55,757.01 is: 83,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,533.78 : 339,794.56 = 55,757.01 : x
  2. Step 2: Convert to fraction form
    226,533.78/339,794.56 = 55,757.01/x
  3. Step 3: Cross multiply
    226,533.78x = 339,794.56 × 55,757.01
  4. Step 4: Simplify right side
    226,533.78x = 18,945,928,401.08
  5. Step 5: Solve for x
    x = 18,945,928,401.08/226,533.78
  6. Step 6: Final answer
    x = 83,634.01

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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.