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Finding the Fourth Proportional to 182.91, 274.16 and 91.52

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Solution

The fourth proportional to 182.91, 274.16 and 91.52 is: 137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.91 : 274.16 = 91.52 : x
  2. Step 2: Convert to fraction form
    182.91/274.16 = 91.52/x
  3. Step 3: Cross multiply
    182.91x = 274.16 × 91.52
  4. Step 4: Simplify right side
    182.91x = 25,089.29
  5. Step 5: Solve for x
    x = 25,089.29/182.91
  6. Step 6: Final answer
    x = 137.17

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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.