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Finding the Fourth Proportional to 182.94, 274.35 and 61.17

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Solution

The fourth proportional to 182.94, 274.35 and 61.17 is: 91.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.94 : 274.35 = 61.17 : x
  2. Step 2: Convert to fraction form
    182.94/274.35 = 61.17/x
  3. Step 3: Cross multiply
    182.94x = 274.35 × 61.17
  4. Step 4: Simplify right side
    182.94x = 16,781.99
  5. Step 5: Solve for x
    x = 16,781.99/182.94
  6. Step 6: Final answer
    x = 91.73

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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.