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Finding the Fourth Proportional to 163.60, 244.37 and 160.56

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Solution

The fourth proportional to 163.60, 244.37 and 160.56 is: 239.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.60 : 244.37 = 160.56 : x
  2. Step 2: Convert to fraction form
    163.60/244.37 = 160.56/x
  3. Step 3: Cross multiply
    163.60x = 244.37 × 160.56
  4. Step 4: Simplify right side
    163.60x = 39,236.45
  5. Step 5: Solve for x
    x = 39,236.45/163.60
  6. Step 6: Final answer
    x = 239.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.