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Finding the Fourth Proportional to 201.76, 302.27 and 110.18

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Solution

The fourth proportional to 201.76, 302.27 and 110.18 is: 165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.76 : 302.27 = 110.18 : x
  2. Step 2: Convert to fraction form
    201.76/302.27 = 110.18/x
  3. Step 3: Cross multiply
    201.76x = 302.27 × 110.18
  4. Step 4: Simplify right side
    201.76x = 33,304.31
  5. Step 5: Solve for x
    x = 33,304.31/201.76
  6. Step 6: Final answer
    x = 165.07

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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.