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Finding the Fourth Proportional to 274.96, 412.37 and 92.44

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Solution

The fourth proportional to 274.96, 412.37 and 92.44 is: 138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.96 : 412.37 = 92.44 : x
  2. Step 2: Convert to fraction form
    274.96/412.37 = 92.44/x
  3. Step 3: Cross multiply
    274.96x = 412.37 × 92.44
  4. Step 4: Simplify right side
    274.96x = 38,116.96
  5. Step 5: Solve for x
    x = 38,116.96/274.96
  6. Step 6: Final answer
    x = 138.63

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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.