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Finding the Fourth Proportional to 226.56, 339.75 and 64.26

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Solution

The fourth proportional to 226.56, 339.75 and 64.26 is: 96.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.56 : 339.75 = 64.26 : x
  2. Step 2: Convert to fraction form
    226.56/339.75 = 64.26/x
  3. Step 3: Cross multiply
    226.56x = 339.75 × 64.26
  4. Step 4: Simplify right side
    226.56x = 21,832.34
  5. Step 5: Solve for x
    x = 21,832.34/226.56
  6. Step 6: Final answer
    x = 96.36

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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.