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Finding the Fourth Proportional to 182.29, 273.39 and 90.94

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Solution

The fourth proportional to 182.29, 273.39 and 90.94 is: 136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.29 : 273.39 = 90.94 : x
  2. Step 2: Convert to fraction form
    182.29/273.39 = 90.94/x
  3. Step 3: Cross multiply
    182.29x = 273.39 × 90.94
  4. Step 4: Simplify right side
    182.29x = 24,862.09
  5. Step 5: Solve for x
    x = 24,862.09/182.29
  6. Step 6: Final answer
    x = 136.39

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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.