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Finding the Fourth Proportional to 204.26, 306.34 and 59.94

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Solution

The fourth proportional to 204.26, 306.34 and 59.94 is: 89.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.26 : 306.34 = 59.94 : x
  2. Step 2: Convert to fraction form
    204.26/306.34 = 59.94/x
  3. Step 3: Cross multiply
    204.26x = 306.34 × 59.94
  4. Step 4: Simplify right side
    204.26x = 18,362.02
  5. Step 5: Solve for x
    x = 18,362.02/204.26
  6. Step 6: Final answer
    x = 89.90

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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.