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Finding the Fourth Proportional to 182.94, 274.11 and 91.54

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Solution

The fourth proportional to 182.94, 274.11 and 91.54 is: 137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.94 : 274.11 = 91.54 : x
  2. Step 2: Convert to fraction form
    182.94/274.11 = 91.54/x
  3. Step 3: Cross multiply
    182.94x = 274.11 × 91.54
  4. Step 4: Simplify right side
    182.94x = 25,092.03
  5. Step 5: Solve for x
    x = 25,092.03/182.94
  6. Step 6: Final answer
    x = 137.16

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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.