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Finding the Fourth Proportional to 164.43, 226.96 and 102.29

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Solution

The fourth proportional to 164.43, 226.96 and 102.29 is: 141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.43 : 226.96 = 102.29 : x
  2. Step 2: Convert to fraction form
    164.43/226.96 = 102.29/x
  3. Step 3: Cross multiply
    164.43x = 226.96 × 102.29
  4. Step 4: Simplify right side
    164.43x = 23,214.35
  5. Step 5: Solve for x
    x = 23,214.35/164.43
  6. Step 6: Final answer
    x = 141.18

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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.