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Finding the Fourth Proportional to 201.68, 302.62 and 93.34

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Solution

The fourth proportional to 201.68, 302.62 and 93.34 is: 140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.68 : 302.62 = 93.34 : x
  2. Step 2: Convert to fraction form
    201.68/302.62 = 93.34/x
  3. Step 3: Cross multiply
    201.68x = 302.62 × 93.34
  4. Step 4: Simplify right side
    201.68x = 28,246.55
  5. Step 5: Solve for x
    x = 28,246.55/201.68
  6. Step 6: Final answer
    x = 140.06

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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.