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Finding the Fourth Proportional to 201.76, 302.67 and 92.04

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Solution

The fourth proportional to 201.76, 302.67 and 92.04 is: 138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.76 : 302.67 = 92.04 : x
  2. Step 2: Convert to fraction form
    201.76/302.67 = 92.04/x
  3. Step 3: Cross multiply
    201.76x = 302.67 × 92.04
  4. Step 4: Simplify right side
    201.76x = 27,856.61
  5. Step 5: Solve for x
    x = 27,856.61/201.76
  6. Step 6: Final answer
    x = 138.07

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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.