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Finding the Fourth Proportional to 244.18, 336.96 and 133.65

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Solution

The fourth proportional to 244.18, 336.96 and 133.65 is: 184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.18 : 336.96 = 133.65 : x
  2. Step 2: Convert to fraction form
    244.18/336.96 = 133.65/x
  3. Step 3: Cross multiply
    244.18x = 336.96 × 133.65
  4. Step 4: Simplify right side
    244.18x = 45,036.03
  5. Step 5: Solve for x
    x = 45,036.03/244.18
  6. Step 6: Final answer
    x = 184.44

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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.