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Finding the Fourth Proportional to 234.86, 351.94 and 173.84

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Solution

The fourth proportional to 234.86, 351.94 and 173.84 is: 260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.86 : 351.94 = 173.84 : x
  2. Step 2: Convert to fraction form
    234.86/351.94 = 173.84/x
  3. Step 3: Cross multiply
    234.86x = 351.94 × 173.84
  4. Step 4: Simplify right side
    234.86x = 61,181.25
  5. Step 5: Solve for x
    x = 61,181.25/234.86
  6. Step 6: Final answer
    x = 260.50

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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.