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Finding the Fourth Proportional to 95.87, 143.86 and 41.77

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Solution

The fourth proportional to 95.87, 143.86 and 41.77 is: 62.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.87 : 143.86 = 41.77 : x
  2. Step 2: Convert to fraction form
    95.87/143.86 = 41.77/x
  3. Step 3: Cross multiply
    95.87x = 143.86 × 41.77
  4. Step 4: Simplify right side
    95.87x = 6,008.55
  5. Step 5: Solve for x
    x = 6,008.55/95.87
  6. Step 6: Final answer
    x = 62.67

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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.