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Finding the Fourth Proportional to 94.07, 141.11 and 36.28

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Solution

The fourth proportional to 94.07, 141.11 and 36.28 is: 54.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.07 : 141.11 = 36.28 : x
  2. Step 2: Convert to fraction form
    94.07/141.11 = 36.28/x
  3. Step 3: Cross multiply
    94.07x = 141.11 × 36.28
  4. Step 4: Simplify right side
    94.07x = 5,118.58
  5. Step 5: Solve for x
    x = 5,118.58/94.07
  6. Step 6: Final answer
    x = 54.41

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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.