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Finding the Fourth Proportional to 225.36, 337.64 and 164.48

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Solution

The fourth proportional to 225.36, 337.64 and 164.48 is: 246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.36 : 337.64 = 164.48 : x
  2. Step 2: Convert to fraction form
    225.36/337.64 = 164.48/x
  3. Step 3: Cross multiply
    225.36x = 337.64 × 164.48
  4. Step 4: Simplify right side
    225.36x = 55,535.03
  5. Step 5: Solve for x
    x = 55,535.03/225.36
  6. Step 6: Final answer
    x = 246.43

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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.