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Finding the Fourth Proportional to 176.97, 244.24 and 111.50

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Solution

The fourth proportional to 176.97, 244.24 and 111.50 is: 153.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.97 : 244.24 = 111.50 : x
  2. Step 2: Convert to fraction form
    176.97/244.24 = 111.50/x
  3. Step 3: Cross multiply
    176.97x = 244.24 × 111.50
  4. Step 4: Simplify right side
    176.97x = 27,231.26
  5. Step 5: Solve for x
    x = 27,231.26/176.97
  6. Step 6: Final answer
    x = 153.88

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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.