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Finding the Fourth Proportional to 244.74, 337.81 and 141.22

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Solution

The fourth proportional to 244.74, 337.81 and 141.22 is: 194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.74 : 337.81 = 141.22 : x
  2. Step 2: Convert to fraction form
    244.74/337.81 = 141.22/x
  3. Step 3: Cross multiply
    244.74x = 337.81 × 141.22
  4. Step 4: Simplify right side
    244.74x = 47,705.53
  5. Step 5: Solve for x
    x = 47,705.53/244.74
  6. Step 6: Final answer
    x = 194.92

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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.