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Finding the Fourth Proportional to 244.73, 337.76 and 139.85

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Solution

The fourth proportional to 244.73, 337.76 and 139.85 is: 193.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.73 : 337.76 = 139.85 : x
  2. Step 2: Convert to fraction form
    244.73/337.76 = 139.85/x
  3. Step 3: Cross multiply
    244.73x = 337.76 × 139.85
  4. Step 4: Simplify right side
    244.73x = 47,233.35
  5. Step 5: Solve for x
    x = 47,233.35/244.73
  6. Step 6: Final answer
    x = 193.01

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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.