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Finding the Fourth Proportional to 164.53, 246.93 and 83.41

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Solution

The fourth proportional to 164.53, 246.93 and 83.41 is: 125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.53 : 246.93 = 83.41 : x
  2. Step 2: Convert to fraction form
    164.53/246.93 = 83.41/x
  3. Step 3: Cross multiply
    164.53x = 246.93 × 83.41
  4. Step 4: Simplify right side
    164.53x = 20,596.43
  5. Step 5: Solve for x
    x = 20,596.43/164.53
  6. Step 6: Final answer
    x = 125.18

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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.