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Finding the Fourth Proportional to 95.81, 143.71 and 23.67

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Solution

The fourth proportional to 95.81, 143.71 and 23.67 is: 35.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.81 : 143.71 = 23.67 : x
  2. Step 2: Convert to fraction form
    95.81/143.71 = 23.67/x
  3. Step 3: Cross multiply
    95.81x = 143.71 × 23.67
  4. Step 4: Simplify right side
    95.81x = 3,401.62
  5. Step 5: Solve for x
    x = 3,401.62/95.81
  6. Step 6: Final answer
    x = 35.50

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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.