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Finding the Fourth Proportional to 163.00, 244.46 and 47.43

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Solution

The fourth proportional to 163.00, 244.46 and 47.43 is: 71.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.00 : 244.46 = 47.43 : x
  2. Step 2: Convert to fraction form
    163.00/244.46 = 47.43/x
  3. Step 3: Cross multiply
    163.00x = 244.46 × 47.43
  4. Step 4: Simplify right side
    163.00x = 11,594.86
  5. Step 5: Solve for x
    x = 11,594.86/163.00
  6. Step 6: Final answer
    x = 71.13

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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.