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Finding the Fourth Proportional to 141.59, 212.41 and 50.27

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Solution

The fourth proportional to 141.59, 212.41 and 50.27 is: 75.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.59 : 212.41 = 50.27 : x
  2. Step 2: Convert to fraction form
    141.59/212.41 = 50.27/x
  3. Step 3: Cross multiply
    141.59x = 212.41 × 50.27
  4. Step 4: Simplify right side
    141.59x = 10,677.85
  5. Step 5: Solve for x
    x = 10,677.85/141.59
  6. Step 6: Final answer
    x = 75.41

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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.