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Finding the Fourth Proportional to 176.96, 244.10 and 144.18

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Solution

The fourth proportional to 176.96, 244.10 and 144.18 is: 198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.96 : 244.10 = 144.18 : x
  2. Step 2: Convert to fraction form
    176.96/244.10 = 144.18/x
  3. Step 3: Cross multiply
    176.96x = 244.10 × 144.18
  4. Step 4: Simplify right side
    176.96x = 35,194.34
  5. Step 5: Solve for x
    x = 35,194.34/176.96
  6. Step 6: Final answer
    x = 198.88

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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.