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Finding the Fourth Proportional to 94.69, 141.37 and 84.44

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Solution

The fourth proportional to 94.69, 141.37 and 84.44 is: 126.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.69 : 141.37 = 84.44 : x
  2. Step 2: Convert to fraction form
    94.69/141.37 = 84.44/x
  3. Step 3: Cross multiply
    94.69x = 141.37 × 84.44
  4. Step 4: Simplify right side
    94.69x = 11,937.28
  5. Step 5: Solve for x
    x = 11,937.28/94.69
  6. Step 6: Final answer
    x = 126.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.