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Finding the Fourth Proportional to 163.07, 244.30 and 124.39

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Solution

The fourth proportional to 163.07, 244.30 and 124.39 is: 186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.07 : 244.30 = 124.39 : x
  2. Step 2: Convert to fraction form
    163.07/244.30 = 124.39/x
  3. Step 3: Cross multiply
    163.07x = 244.30 × 124.39
  4. Step 4: Simplify right side
    163.07x = 30,388.48
  5. Step 5: Solve for x
    x = 30,388.48/163.07
  6. Step 6: Final answer
    x = 186.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.