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Finding the Fourth Proportional to 163.36, 245.04 and 94.83

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Solution

The fourth proportional to 163.36, 245.04 and 94.83 is: 142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.36 : 245.04 = 94.83 : x
  2. Step 2: Convert to fraction form
    163.36/245.04 = 94.83/x
  3. Step 3: Cross multiply
    163.36x = 245.04 × 94.83
  4. Step 4: Simplify right side
    163.36x = 23,236.40
  5. Step 5: Solve for x
    x = 23,236.40/163.36
  6. Step 6: Final answer
    x = 142.24

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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.