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Finding the Fourth Proportional to 183.23, 274.85 and 92.11

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Solution

The fourth proportional to 183.23, 274.85 and 92.11 is: 138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.23 : 274.85 = 92.11 : x
  2. Step 2: Convert to fraction form
    183.23/274.85 = 92.11/x
  3. Step 3: Cross multiply
    183.23x = 274.85 × 92.11
  4. Step 4: Simplify right side
    183.23x = 25,316.43
  5. Step 5: Solve for x
    x = 25,316.43/183.23
  6. Step 6: Final answer
    x = 138.17

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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.