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Finding the Fourth Proportional to 229.44, 316.67 and 176.90

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Solution

The fourth proportional to 229.44, 316.67 and 176.90 is: 244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.44 : 316.67 = 176.90 : x
  2. Step 2: Convert to fraction form
    229.44/316.67 = 176.90/x
  3. Step 3: Cross multiply
    229.44x = 316.67 × 176.90
  4. Step 4: Simplify right side
    229.44x = 56,016.46
  5. Step 5: Solve for x
    x = 56,016.46/229.44
  6. Step 6: Final answer
    x = 244.14

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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.