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Finding the Fourth Proportional to 132.75, 183.56 and 127.04

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Solution

The fourth proportional to 132.75, 183.56 and 127.04 is: 175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.75 : 183.56 = 127.04 : x
  2. Step 2: Convert to fraction form
    132.75/183.56 = 127.04/x
  3. Step 3: Cross multiply
    132.75x = 183.56 × 127.04
  4. Step 4: Simplify right side
    132.75x = 23,317.91
  5. Step 5: Solve for x
    x = 23,317.91/132.75
  6. Step 6: Final answer
    x = 175.65

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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.