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Finding the Fourth Proportional to 92.97, 139.50 and 41.66

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Solution

The fourth proportional to 92.97, 139.50 and 41.66 is: 62.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.97 : 139.50 = 41.66 : x
  2. Step 2: Convert to fraction form
    92.97/139.50 = 41.66/x
  3. Step 3: Cross multiply
    92.97x = 139.50 × 41.66
  4. Step 4: Simplify right side
    92.97x = 5,811.57
  5. Step 5: Solve for x
    x = 5,811.57/92.97
  6. Step 6: Final answer
    x = 62.51

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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.