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Finding the Fourth Proportional to 92.44, 138.65 and 41.04

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Solution

The fourth proportional to 92.44, 138.65 and 41.04 is: 61.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.44 : 138.65 = 41.04 : x
  2. Step 2: Convert to fraction form
    92.44/138.65 = 41.04/x
  3. Step 3: Cross multiply
    92.44x = 138.65 × 41.04
  4. Step 4: Simplify right side
    92.44x = 5,689.99
  5. Step 5: Solve for x
    x = 5,689.99/92.44
  6. Step 6: Final answer
    x = 61.55

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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.