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Finding the Fourth Proportional to 164.29, 246.17 and 118.41

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Solution

The fourth proportional to 164.29, 246.17 and 118.41 is: 177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.29 : 246.17 = 118.41 : x
  2. Step 2: Convert to fraction form
    164.29/246.17 = 118.41/x
  3. Step 3: Cross multiply
    164.29x = 246.17 × 118.41
  4. Step 4: Simplify right side
    164.29x = 29,148.40
  5. Step 5: Solve for x
    x = 29,148.40/164.29
  6. Step 6: Final answer
    x = 177.42

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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.