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Finding the Fourth Proportional to 163.04, 244.28 and 94.64

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Solution

The fourth proportional to 163.04, 244.28 and 94.64 is: 141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.04 : 244.28 = 94.64 : x
  2. Step 2: Convert to fraction form
    163.04/244.28 = 94.64/x
  3. Step 3: Cross multiply
    163.04x = 244.28 × 94.64
  4. Step 4: Simplify right side
    163.04x = 23,118.66
  5. Step 5: Solve for x
    x = 23,118.66/163.04
  6. Step 6: Final answer
    x = 141.80

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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.