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Finding the Fourth Proportional to 95.74, 143.70 and 41.67

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Solution

The fourth proportional to 95.74, 143.70 and 41.67 is: 62.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.74 : 143.70 = 41.67 : x
  2. Step 2: Convert to fraction form
    95.74/143.70 = 41.67/x
  3. Step 3: Cross multiply
    95.74x = 143.70 × 41.67
  4. Step 4: Simplify right side
    95.74x = 5,987.98
  5. Step 5: Solve for x
    x = 5,987.98/95.74
  6. Step 6: Final answer
    x = 62.54

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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.