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Finding the Fourth Proportional to 182.25, 273.47 and 90.95

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Solution

The fourth proportional to 182.25, 273.47 and 90.95 is: 136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.25 : 273.47 = 90.95 : x
  2. Step 2: Convert to fraction form
    182.25/273.47 = 90.95/x
  3. Step 3: Cross multiply
    182.25x = 273.47 × 90.95
  4. Step 4: Simplify right side
    182.25x = 24,872.33
  5. Step 5: Solve for x
    x = 24,872.33/182.25
  6. Step 6: Final answer
    x = 136.47

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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.