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Finding the Fourth Proportional to 182.81, 274.17 and 83.99

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Solution

The fourth proportional to 182.81, 274.17 and 83.99 is: 125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.81 : 274.17 = 83.99 : x
  2. Step 2: Convert to fraction form
    182.81/274.17 = 83.99/x
  3. Step 3: Cross multiply
    182.81x = 274.17 × 83.99
  4. Step 4: Simplify right side
    182.81x = 23,027.54
  5. Step 5: Solve for x
    x = 23,027.54/182.81
  6. Step 6: Final answer
    x = 125.96

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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.