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Finding the Fourth Proportional to 182.69, 251.69 and 127.34

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Solution

The fourth proportional to 182.69, 251.69 and 127.34 is: 175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.69 : 251.69 = 127.34 : x
  2. Step 2: Convert to fraction form
    182.69/251.69 = 127.34/x
  3. Step 3: Cross multiply
    182.69x = 251.69 × 127.34
  4. Step 4: Simplify right side
    182.69x = 32,049.25
  5. Step 5: Solve for x
    x = 32,049.25/182.69
  6. Step 6: Final answer
    x = 175.43

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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.