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Finding the Fourth Proportional to 201.79, 302.41 and 110.35

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Solution

The fourth proportional to 201.79, 302.41 and 110.35 is: 165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.79 : 302.41 = 110.35 : x
  2. Step 2: Convert to fraction form
    201.79/302.41 = 110.35/x
  3. Step 3: Cross multiply
    201.79x = 302.41 × 110.35
  4. Step 4: Simplify right side
    201.79x = 33,370.94
  5. Step 5: Solve for x
    x = 33,370.94/201.79
  6. Step 6: Final answer
    x = 165.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.