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Finding the Fourth Proportional to 246.86, 340.53 and 173.24

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Solution

The fourth proportional to 246.86, 340.53 and 173.24 is: 238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.86 : 340.53 = 173.24 : x
  2. Step 2: Convert to fraction form
    246.86/340.53 = 173.24/x
  3. Step 3: Cross multiply
    246.86x = 340.53 × 173.24
  4. Step 4: Simplify right side
    246.86x = 58,993.42
  5. Step 5: Solve for x
    x = 58,993.42/246.86
  6. Step 6: Final answer
    x = 238.98

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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.