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Finding the Fourth Proportional to 201.67, 302.34 and 93.53

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Solution

The fourth proportional to 201.67, 302.34 and 93.53 is: 140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.67 : 302.34 = 93.53 : x
  2. Step 2: Convert to fraction form
    201.67/302.34 = 93.53/x
  3. Step 3: Cross multiply
    201.67x = 302.34 × 93.53
  4. Step 4: Simplify right side
    201.67x = 28,278.62
  5. Step 5: Solve for x
    x = 28,278.62/201.67
  6. Step 6: Final answer
    x = 140.22

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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.