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Finding the Fourth Proportional to 202.91, 303.73 and 110.13

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Solution

The fourth proportional to 202.91, 303.73 and 110.13 is: 164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.91 : 303.73 = 110.13 : x
  2. Step 2: Convert to fraction form
    202.91/303.73 = 110.13/x
  3. Step 3: Cross multiply
    202.91x = 303.73 × 110.13
  4. Step 4: Simplify right side
    202.91x = 33,449.40
  5. Step 5: Solve for x
    x = 33,449.40/202.91
  6. Step 6: Final answer
    x = 164.85

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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.