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Finding the Fourth Proportional to 182.75, 272.99 and 164.43

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Solution

The fourth proportional to 182.75, 272.99 and 164.43 is: 245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.75 : 272.99 = 164.43 : x
  2. Step 2: Convert to fraction form
    182.75/272.99 = 164.43/x
  3. Step 3: Cross multiply
    182.75x = 272.99 × 164.43
  4. Step 4: Simplify right side
    182.75x = 44,886.92
  5. Step 5: Solve for x
    x = 44,886.92/182.75
  6. Step 6: Final answer
    x = 245.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.