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Finding the Fourth Proportional to 229.93, 317.73 and 174.58

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Solution

The fourth proportional to 229.93, 317.73 and 174.58 is: 241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.93 : 317.73 = 174.58 : x
  2. Step 2: Convert to fraction form
    229.93/317.73 = 174.58/x
  3. Step 3: Cross multiply
    229.93x = 317.73 × 174.58
  4. Step 4: Simplify right side
    229.93x = 55,469.30
  5. Step 5: Solve for x
    x = 55,469.30/229.93
  6. Step 6: Final answer
    x = 241.24

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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.