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Finding the Fourth Proportional to 230.04, 344.74 and 178.44

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Solution

The fourth proportional to 230.04, 344.74 and 178.44 is: 267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.04 : 344.74 = 178.44 : x
  2. Step 2: Convert to fraction form
    230.04/344.74 = 178.44/x
  3. Step 3: Cross multiply
    230.04x = 344.74 × 178.44
  4. Step 4: Simplify right side
    230.04x = 61,516.25
  5. Step 5: Solve for x
    x = 61,516.25/230.04
  6. Step 6: Final answer
    x = 267.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.