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Finding the Fourth Proportional to 183.67, 276.03 and 123.22

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Solution

The fourth proportional to 183.67, 276.03 and 123.22 is: 185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.67 : 276.03 = 123.22 : x
  2. Step 2: Convert to fraction form
    183.67/276.03 = 123.22/x
  3. Step 3: Cross multiply
    183.67x = 276.03 × 123.22
  4. Step 4: Simplify right side
    183.67x = 34,012.42
  5. Step 5: Solve for x
    x = 34,012.42/183.67
  6. Step 6: Final answer
    x = 185.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.