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Finding the Fourth Proportional to 176.92, 244.07 and 117.09

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Solution

The fourth proportional to 176.92, 244.07 and 117.09 is: 161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.92 : 244.07 = 117.09 : x
  2. Step 2: Convert to fraction form
    176.92/244.07 = 117.09/x
  3. Step 3: Cross multiply
    176.92x = 244.07 × 117.09
  4. Step 4: Simplify right side
    176.92x = 28,578.01
  5. Step 5: Solve for x
    x = 28,578.01/176.92
  6. Step 6: Final answer
    x = 161.53

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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.