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Finding the Fourth Proportional to 176.97, 244.17 and 106.98

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Solution

The fourth proportional to 176.97, 244.17 and 106.98 is: 147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.97 : 244.17 = 106.98 : x
  2. Step 2: Convert to fraction form
    176.97/244.17 = 106.98/x
  3. Step 3: Cross multiply
    176.97x = 244.17 × 106.98
  4. Step 4: Simplify right side
    176.97x = 26,121.31
  5. Step 5: Solve for x
    x = 26,121.31/176.97
  6. Step 6: Final answer
    x = 147.60

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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.