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Finding the Fourth Proportional to 247.26, 341.02 and 164.34

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Solution

The fourth proportional to 247.26, 341.02 and 164.34 is: 226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.26 : 341.02 = 164.34 : x
  2. Step 2: Convert to fraction form
    247.26/341.02 = 164.34/x
  3. Step 3: Cross multiply
    247.26x = 341.02 × 164.34
  4. Step 4: Simplify right side
    247.26x = 56,043.23
  5. Step 5: Solve for x
    x = 56,043.23/247.26
  6. Step 6: Final answer
    x = 226.66

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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.