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Finding the Fourth Proportional to 176.91, 244.16 and 106.97

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Solution

The fourth proportional to 176.91, 244.16 and 106.97 is: 147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.91 : 244.16 = 106.97 : x
  2. Step 2: Convert to fraction form
    176.91/244.16 = 106.97/x
  3. Step 3: Cross multiply
    176.91x = 244.16 × 106.97
  4. Step 4: Simplify right side
    176.91x = 26,117.80
  5. Step 5: Solve for x
    x = 26,117.80/176.91
  6. Step 6: Final answer
    x = 147.63

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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.