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Finding the Fourth Proportional to 201.69, 302.42 and 184.49

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Solution

The fourth proportional to 201.69, 302.42 and 184.49 is: 276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.69 : 302.42 = 184.49 : x
  2. Step 2: Convert to fraction form
    201.69/302.42 = 184.49/x
  3. Step 3: Cross multiply
    201.69x = 302.42 × 184.49
  4. Step 4: Simplify right side
    201.69x = 55,792.17
  5. Step 5: Solve for x
    x = 55,792.17/201.69
  6. Step 6: Final answer
    x = 276.63

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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.