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Finding the Fourth Proportional to 182.89, 252.44 and 127.60

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Solution

The fourth proportional to 182.89, 252.44 and 127.60 is: 176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.89 : 252.44 = 127.60 : x
  2. Step 2: Convert to fraction form
    182.89/252.44 = 127.60/x
  3. Step 3: Cross multiply
    182.89x = 252.44 × 127.60
  4. Step 4: Simplify right side
    182.89x = 32,211.34
  5. Step 5: Solve for x
    x = 32,211.34/182.89
  6. Step 6: Final answer
    x = 176.12

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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.