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Finding the Fourth Proportional to 132.29, 183.42 and 126.62

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Solution

The fourth proportional to 132.29, 183.42 and 126.62 is: 175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.29 : 183.42 = 126.62 : x
  2. Step 2: Convert to fraction form
    132.29/183.42 = 126.62/x
  3. Step 3: Cross multiply
    132.29x = 183.42 × 126.62
  4. Step 4: Simplify right side
    132.29x = 23,224.64
  5. Step 5: Solve for x
    x = 23,224.64/132.29
  6. Step 6: Final answer
    x = 175.56

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.