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Finding the Fourth Proportional to 163.04, 244.55 and 54.83

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Solution

The fourth proportional to 163.04, 244.55 and 54.83 is: 82.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.04 : 244.55 = 54.83 : x
  2. Step 2: Convert to fraction form
    163.04/244.55 = 54.83/x
  3. Step 3: Cross multiply
    163.04x = 244.55 × 54.83
  4. Step 4: Simplify right side
    163.04x = 13,407.18
  5. Step 5: Solve for x
    x = 13,407.18/163.04
  6. Step 6: Final answer
    x = 82.23

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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.