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Finding the Fourth Proportional to 164.29, 226.56 and 119.96

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Solution

The fourth proportional to 164.29, 226.56 and 119.96 is: 165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.29 : 226.56 = 119.96 : x
  2. Step 2: Convert to fraction form
    164.29/226.56 = 119.96/x
  3. Step 3: Cross multiply
    164.29x = 226.56 × 119.96
  4. Step 4: Simplify right side
    164.29x = 27,178.15
  5. Step 5: Solve for x
    x = 27,178.15/164.29
  6. Step 6: Final answer
    x = 165.43

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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.