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Finding the Fourth Proportional to 250.99, 346.45 and 168.24

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Solution

The fourth proportional to 250.99, 346.45 and 168.24 is: 232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.99 : 346.45 = 168.24 : x
  2. Step 2: Convert to fraction form
    250.99/346.45 = 168.24/x
  3. Step 3: Cross multiply
    250.99x = 346.45 × 168.24
  4. Step 4: Simplify right side
    250.99x = 58,285.89
  5. Step 5: Solve for x
    x = 58,285.89/250.99
  6. Step 6: Final answer
    x = 232.22

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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.