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Finding the Fourth Proportional to 244.15, 336.98 and 145.94

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Solution

The fourth proportional to 244.15, 336.98 and 145.94 is: 201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.15 : 336.98 = 145.94 : x
  2. Step 2: Convert to fraction form
    244.15/336.98 = 145.94/x
  3. Step 3: Cross multiply
    244.15x = 336.98 × 145.94
  4. Step 4: Simplify right side
    244.15x = 49,177.54
  5. Step 5: Solve for x
    x = 49,177.54/244.15
  6. Step 6: Final answer
    x = 201.43

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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.