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Finding the Fourth Proportional to 225.68, 338.51 and 63.36

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Solution

The fourth proportional to 225.68, 338.51 and 63.36 is: 95.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.68 : 338.51 = 63.36 : x
  2. Step 2: Convert to fraction form
    225.68/338.51 = 63.36/x
  3. Step 3: Cross multiply
    225.68x = 338.51 × 63.36
  4. Step 4: Simplify right side
    225.68x = 21,447.68
  5. Step 5: Solve for x
    x = 21,447.68/225.68
  6. Step 6: Final answer
    x = 95.04

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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.