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Finding the Fourth Proportional to 200.73, 301.01 and 92.45

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Solution

The fourth proportional to 200.73, 301.01 and 92.45 is: 138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.73 : 301.01 = 92.45 : x
  2. Step 2: Convert to fraction form
    200.73/301.01 = 92.45/x
  3. Step 3: Cross multiply
    200.73x = 301.01 × 92.45
  4. Step 4: Simplify right side
    200.73x = 27,826.41
  5. Step 5: Solve for x
    x = 27,826.41/200.73
  6. Step 6: Final answer
    x = 138.63

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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.