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Finding the Fourth Proportional to 141.26, 211.92 and 59

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Solution

The fourth proportional to 141.26, 211.92 and 59 is: 88.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.26 : 211.92 = 59 : x
  2. Step 2: Convert to fraction form
    141.26/211.92 = 59/x
  3. Step 3: Cross multiply
    141.26x = 211.92 × 59
  4. Step 4: Simplify right side
    141.26x = 12,503.28
  5. Step 5: Solve for x
    x = 12,503.28/141.26
  6. Step 6: Final answer
    x = 88.51

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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.