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Finding the Fourth Proportional to 182, 251.16 and 119.84

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Solution

The fourth proportional to 182, 251.16 and 119.84 is: 165.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    182 : 251.16 = 119.84 : x
  2. Step 2: Convert to fraction form
    182/251.16 = 119.84/x
  3. Step 3: Cross multiply
    182x = 251.16 × 119.84
  4. Step 4: Simplify right side
    182x = 30,099.01
  5. Step 5: Solve for x
    x = 30,099.01/182
  6. Step 6: Final answer
    x = 165.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.