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Finding the Fourth Proportional to 94.27, 141.41 and 40.16

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Solution

The fourth proportional to 94.27, 141.41 and 40.16 is: 60.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.27 : 141.41 = 40.16 : x
  2. Step 2: Convert to fraction form
    94.27/141.41 = 40.16/x
  3. Step 3: Cross multiply
    94.27x = 141.41 × 40.16
  4. Step 4: Simplify right side
    94.27x = 5,679.18
  5. Step 5: Solve for x
    x = 5,679.18/94.27
  6. Step 6: Final answer
    x = 60.25

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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.