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Finding the Fourth Proportional to 200.94, 301.68 and 173.94

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Solution

The fourth proportional to 200.94, 301.68 and 173.94 is: 261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.94 : 301.68 = 173.94 : x
  2. Step 2: Convert to fraction form
    200.94/301.68 = 173.94/x
  3. Step 3: Cross multiply
    200.94x = 301.68 × 173.94
  4. Step 4: Simplify right side
    200.94x = 52,474.22
  5. Step 5: Solve for x
    x = 52,474.22/200.94
  6. Step 6: Final answer
    x = 261.14

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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.