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Finding the Fourth Proportional to 92.41, 138.50 and 41.04

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Solution

The fourth proportional to 92.41, 138.50 and 41.04 is: 61.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.41 : 138.50 = 41.04 : x
  2. Step 2: Convert to fraction form
    92.41/138.50 = 41.04/x
  3. Step 3: Cross multiply
    92.41x = 138.50 × 41.04
  4. Step 4: Simplify right side
    92.41x = 5,684.04
  5. Step 5: Solve for x
    x = 5,684.04/92.41
  6. Step 6: Final answer
    x = 61.51

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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.