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Finding the Fourth Proportional to 202.97, 304.05 and 116.33

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Solution

The fourth proportional to 202.97, 304.05 and 116.33 is: 174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.97 : 304.05 = 116.33 : x
  2. Step 2: Convert to fraction form
    202.97/304.05 = 116.33/x
  3. Step 3: Cross multiply
    202.97x = 304.05 × 116.33
  4. Step 4: Simplify right side
    202.97x = 35,370.14
  5. Step 5: Solve for x
    x = 35,370.14/202.97
  6. Step 6: Final answer
    x = 174.26

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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.