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Finding the Fourth Proportional to 176.91, 244.03 and 127.73

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Solution

The fourth proportional to 176.91, 244.03 and 127.73 is: 176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.91 : 244.03 = 127.73 : x
  2. Step 2: Convert to fraction form
    176.91/244.03 = 127.73/x
  3. Step 3: Cross multiply
    176.91x = 244.03 × 127.73
  4. Step 4: Simplify right side
    176.91x = 31,169.95
  5. Step 5: Solve for x
    x = 31,169.95/176.91
  6. Step 6: Final answer
    x = 176.19

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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.