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Finding the Fourth Proportional to 176.80, 244.04 and 168.12

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Solution

The fourth proportional to 176.80, 244.04 and 168.12 is: 232.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.80 : 244.04 = 168.12 : x
  2. Step 2: Convert to fraction form
    176.80/244.04 = 168.12/x
  3. Step 3: Cross multiply
    176.80x = 244.04 × 168.12
  4. Step 4: Simplify right side
    176.80x = 41,028.00
  5. Step 5: Solve for x
    x = 41,028.00/176.80
  6. Step 6: Final answer
    x = 232.06

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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.