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Finding the Fourth Proportional to 95.38, 143 and 41.26

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Solution

The fourth proportional to 95.38, 143 and 41.26 is: 61.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.38 : 143 = 41.26 : x
  2. Step 2: Convert to fraction form
    95.38/143 = 41.26/x
  3. Step 3: Cross multiply
    95.38x = 143 × 41.26
  4. Step 4: Simplify right side
    95.38x = 5,900.18
  5. Step 5: Solve for x
    x = 5,900.18/95.38
  6. Step 6: Final answer
    x = 61.86

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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.