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Finding the Fourth Proportional to 226.53, 312.49 and 164.26

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Solution

The fourth proportional to 226.53, 312.49 and 164.26 is: 226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.53 : 312.49 = 164.26 : x
  2. Step 2: Convert to fraction form
    226.53/312.49 = 164.26/x
  3. Step 3: Cross multiply
    226.53x = 312.49 × 164.26
  4. Step 4: Simplify right side
    226.53x = 51,329.61
  5. Step 5: Solve for x
    x = 51,329.61/226.53
  6. Step 6: Final answer
    x = 226.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.