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Finding the Fourth Proportional to 163.35, 244.89 and 60.57

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Solution

The fourth proportional to 163.35, 244.89 and 60.57 is: 90.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.35 : 244.89 = 60.57 : x
  2. Step 2: Convert to fraction form
    163.35/244.89 = 60.57/x
  3. Step 3: Cross multiply
    163.35x = 244.89 × 60.57
  4. Step 4: Simplify right side
    163.35x = 14,832.99
  5. Step 5: Solve for x
    x = 14,832.99/163.35
  6. Step 6: Final answer
    x = 90.80

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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.