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Finding the Fourth Proportional to 164.49, 246.62 and 109.58

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Solution

The fourth proportional to 164.49, 246.62 and 109.58 is: 164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.49 : 246.62 = 109.58 : x
  2. Step 2: Convert to fraction form
    164.49/246.62 = 109.58/x
  3. Step 3: Cross multiply
    164.49x = 246.62 × 109.58
  4. Step 4: Simplify right side
    164.49x = 27,022.84
  5. Step 5: Solve for x
    x = 27,022.84/164.49
  6. Step 6: Final answer
    x = 164.28

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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.