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Finding the Fourth Proportional to 182.91, 252.56 and 113.07

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Solution

The fourth proportional to 182.91, 252.56 and 113.07 is: 156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.91 : 252.56 = 113.07 : x
  2. Step 2: Convert to fraction form
    182.91/252.56 = 113.07/x
  3. Step 3: Cross multiply
    182.91x = 252.56 × 113.07
  4. Step 4: Simplify right side
    182.91x = 28,556.39
  5. Step 5: Solve for x
    x = 28,556.39/182.91
  6. Step 6: Final answer
    x = 156.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.