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Finding the Fourth Proportional to 182.22, 251.54 and 123.26

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Solution

The fourth proportional to 182.22, 251.54 and 123.26 is: 170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.22 : 251.54 = 123.26 : x
  2. Step 2: Convert to fraction form
    182.22/251.54 = 123.26/x
  3. Step 3: Cross multiply
    182.22x = 251.54 × 123.26
  4. Step 4: Simplify right side
    182.22x = 31,002.95
  5. Step 5: Solve for x
    x = 31,002.95/182.22
  6. Step 6: Final answer
    x = 170.14

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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.