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Finding the Fourth Proportional to 231.60, 347.04 and 167.52

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Solution

The fourth proportional to 231.60, 347.04 and 167.52 is: 251.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.60 : 347.04 = 167.52 : x
  2. Step 2: Convert to fraction form
    231.60/347.04 = 167.52/x
  3. Step 3: Cross multiply
    231.60x = 347.04 × 167.52
  4. Step 4: Simplify right side
    231.60x = 58,136.14
  5. Step 5: Solve for x
    x = 58,136.14/231.60
  6. Step 6: Final answer
    x = 251.02

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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.