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Finding the Fourth Proportional to 163.94, 246.18 and 95.64

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Solution

The fourth proportional to 163.94, 246.18 and 95.64 is: 143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.94 : 246.18 = 95.64 : x
  2. Step 2: Convert to fraction form
    163.94/246.18 = 95.64/x
  3. Step 3: Cross multiply
    163.94x = 246.18 × 95.64
  4. Step 4: Simplify right side
    163.94x = 23,544.66
  5. Step 5: Solve for x
    x = 23,544.66/163.94
  6. Step 6: Final answer
    x = 143.62

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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.