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Finding the Fourth Proportional to 202.67, 303.59 and 182.18

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Solution

The fourth proportional to 202.67, 303.59 and 182.18 is: 272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.67 : 303.59 = 182.18 : x
  2. Step 2: Convert to fraction form
    202.67/303.59 = 182.18/x
  3. Step 3: Cross multiply
    202.67x = 303.59 × 182.18
  4. Step 4: Simplify right side
    202.67x = 55,306.51
  5. Step 5: Solve for x
    x = 55,306.51/202.67
  6. Step 6: Final answer
    x = 272.90

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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.