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Finding the Fourth Proportional to 226.49, 339.10 and 116.56

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Solution

The fourth proportional to 226.49, 339.10 and 116.56 is: 174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.49 : 339.10 = 116.56 : x
  2. Step 2: Convert to fraction form
    226.49/339.10 = 116.56/x
  3. Step 3: Cross multiply
    226.49x = 339.10 × 116.56
  4. Step 4: Simplify right side
    226.49x = 39,525.63
  5. Step 5: Solve for x
    x = 39,525.63/226.49
  6. Step 6: Final answer
    x = 174.52

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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.