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Finding the Fourth Proportional to 176.96, 244.22 and 98.29

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Solution

The fourth proportional to 176.96, 244.22 and 98.29 is: 135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.96 : 244.22 = 98.29 : x
  2. Step 2: Convert to fraction form
    176.96/244.22 = 98.29/x
  3. Step 3: Cross multiply
    176.96x = 244.22 × 98.29
  4. Step 4: Simplify right side
    176.96x = 24,003.28
  5. Step 5: Solve for x
    x = 24,003.28/176.96
  6. Step 6: Final answer
    x = 135.64

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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.