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Finding the Fourth Proportional to 182.09, 273.18 and 161.93

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Solution

The fourth proportional to 182.09, 273.18 and 161.93 is: 242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.09 : 273.18 = 161.93 : x
  2. Step 2: Convert to fraction form
    182.09/273.18 = 161.93/x
  3. Step 3: Cross multiply
    182.09x = 273.18 × 161.93
  4. Step 4: Simplify right side
    182.09x = 44,234.67
  5. Step 5: Solve for x
    x = 44,234.67/182.09
  6. Step 6: Final answer
    x = 242.93

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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.