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Finding the Fourth Proportional to 141.16, 211.76 and 44.97

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Solution

The fourth proportional to 141.16, 211.76 and 44.97 is: 67.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.16 : 211.76 = 44.97 : x
  2. Step 2: Convert to fraction form
    141.16/211.76 = 44.97/x
  3. Step 3: Cross multiply
    141.16x = 211.76 × 44.97
  4. Step 4: Simplify right side
    141.16x = 9,522.85
  5. Step 5: Solve for x
    x = 9,522.85/141.16
  6. Step 6: Final answer
    x = 67.46

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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.