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Finding the Fourth Proportional to 202.73, 304.26 and 174.18

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Solution

The fourth proportional to 202.73, 304.26 and 174.18 is: 261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.73 : 304.26 = 174.18 : x
  2. Step 2: Convert to fraction form
    202.73/304.26 = 174.18/x
  3. Step 3: Cross multiply
    202.73x = 304.26 × 174.18
  4. Step 4: Simplify right side
    202.73x = 52,996.01
  5. Step 5: Solve for x
    x = 52,996.01/202.73
  6. Step 6: Final answer
    x = 261.41

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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.