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Finding the Fourth Proportional to 200.93, 301.26 and 98.24

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Solution

The fourth proportional to 200.93, 301.26 and 98.24 is: 147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.93 : 301.26 = 98.24 : x
  2. Step 2: Convert to fraction form
    200.93/301.26 = 98.24/x
  3. Step 3: Cross multiply
    200.93x = 301.26 × 98.24
  4. Step 4: Simplify right side
    200.93x = 29,595.78
  5. Step 5: Solve for x
    x = 29,595.78/200.93
  6. Step 6: Final answer
    x = 147.29

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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.