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Finding the Fourth Proportional to 247.84, 341.62 and 173.99

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Solution

The fourth proportional to 247.84, 341.62 and 173.99 is: 239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.84 : 341.62 = 173.99 : x
  2. Step 2: Convert to fraction form
    247.84/341.62 = 173.99/x
  3. Step 3: Cross multiply
    247.84x = 341.62 × 173.99
  4. Step 4: Simplify right side
    247.84x = 59,438.88
  5. Step 5: Solve for x
    x = 59,438.88/247.84
  6. Step 6: Final answer
    x = 239.83

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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.