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Finding the Fourth Proportional to 244.13, 336.90 and 145.97

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Solution

The fourth proportional to 244.13, 336.90 and 145.97 is: 201.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.13 : 336.90 = 145.97 : x
  2. Step 2: Convert to fraction form
    244.13/336.90 = 145.97/x
  3. Step 3: Cross multiply
    244.13x = 336.90 × 145.97
  4. Step 4: Simplify right side
    244.13x = 49,175.61
  5. Step 5: Solve for x
    x = 49,175.61/244.13
  6. Step 6: Final answer
    x = 201.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.