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Finding the Fourth Proportional to 244.12, 336.92 and 145.88

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Solution

The fourth proportional to 244.12, 336.92 and 145.88 is: 201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.12 : 336.92 = 145.88 : x
  2. Step 2: Convert to fraction form
    244.12/336.92 = 145.88/x
  3. Step 3: Cross multiply
    244.12x = 336.92 × 145.88
  4. Step 4: Simplify right side
    244.12x = 49,147.48
  5. Step 5: Solve for x
    x = 49,147.48/244.12
  6. Step 6: Final answer
    x = 201.33

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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.