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Finding the Fourth Proportional to 231.63, 346.98 and 173.92

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Solution

The fourth proportional to 231.63, 346.98 and 173.92 is: 260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.63 : 346.98 = 173.92 : x
  2. Step 2: Convert to fraction form
    231.63/346.98 = 173.92/x
  3. Step 3: Cross multiply
    231.63x = 346.98 × 173.92
  4. Step 4: Simplify right side
    231.63x = 60,345.03
  5. Step 5: Solve for x
    x = 60,345.03/231.63
  6. Step 6: Final answer
    x = 260.53

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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.