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Finding the Fourth Proportional to 202.14, 301.01 and 194.85

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Solution

The fourth proportional to 202.14, 301.01 and 194.85 is: 290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.14 : 301.01 = 194.85 : x
  2. Step 2: Convert to fraction form
    202.14/301.01 = 194.85/x
  3. Step 3: Cross multiply
    202.14x = 301.01 × 194.85
  4. Step 4: Simplify right side
    202.14x = 58,650.82
  5. Step 5: Solve for x
    x = 58,650.82/202.14
  6. Step 6: Final answer
    x = 290.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.