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Finding the Fourth Proportional to 182.91, 274.37 and 61.27

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Solution

The fourth proportional to 182.91, 274.37 and 61.27 is: 91.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.91 : 274.37 = 61.27 : x
  2. Step 2: Convert to fraction form
    182.91/274.37 = 61.27/x
  3. Step 3: Cross multiply
    182.91x = 274.37 × 61.27
  4. Step 4: Simplify right side
    182.91x = 16,810.65
  5. Step 5: Solve for x
    x = 16,810.65/182.91
  6. Step 6: Final answer
    x = 91.91

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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.