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Finding the Fourth Proportional to 227.96, 342 and 173.96

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Solution

The fourth proportional to 227.96, 342 and 173.96 is: 260.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.96 : 342 = 173.96 : x
  2. Step 2: Convert to fraction form
    227.96/342 = 173.96/x
  3. Step 3: Cross multiply
    227.96x = 342 × 173.96
  4. Step 4: Simplify right side
    227.96x = 59,494.32
  5. Step 5: Solve for x
    x = 59,494.32/227.96
  6. Step 6: Final answer
    x = 260.99

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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.