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Finding the Fourth Proportional to 201.04, 301.16 and 92.68

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Solution

The fourth proportional to 201.04, 301.16 and 92.68 is: 138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.04 : 301.16 = 92.68 : x
  2. Step 2: Convert to fraction form
    201.04/301.16 = 92.68/x
  3. Step 3: Cross multiply
    201.04x = 301.16 × 92.68
  4. Step 4: Simplify right side
    201.04x = 27,911.51
  5. Step 5: Solve for x
    x = 27,911.51/201.04
  6. Step 6: Final answer
    x = 138.84

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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.