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Finding the Fourth Proportional to 163.37, 244.87 and 60.65

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Solution

The fourth proportional to 163.37, 244.87 and 60.65 is: 90.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.37 : 244.87 = 60.65 : x
  2. Step 2: Convert to fraction form
    163.37/244.87 = 60.65/x
  3. Step 3: Cross multiply
    163.37x = 244.87 × 60.65
  4. Step 4: Simplify right side
    163.37x = 14,851.25
  5. Step 5: Solve for x
    x = 14,851.25/163.37
  6. Step 6: Final answer
    x = 90.91

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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.