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Finding the Fourth Proportional to 95.86, 143.77 and 41.71

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Solution

The fourth proportional to 95.86, 143.77 and 41.71 is: 62.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.86 : 143.77 = 41.71 : x
  2. Step 2: Convert to fraction form
    95.86/143.77 = 41.71/x
  3. Step 3: Cross multiply
    95.86x = 143.77 × 41.71
  4. Step 4: Simplify right side
    95.86x = 5,996.65
  5. Step 5: Solve for x
    x = 5,996.65/95.86
  6. Step 6: Final answer
    x = 62.56

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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.