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Finding the Fourth Proportional to 163, 244.26 and 94.54

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Solution

The fourth proportional to 163, 244.26 and 94.54 is: 141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163 : 244.26 = 94.54 : x
  2. Step 2: Convert to fraction form
    163/244.26 = 94.54/x
  3. Step 3: Cross multiply
    163x = 244.26 × 94.54
  4. Step 4: Simplify right side
    163x = 23,092.34
  5. Step 5: Solve for x
    x = 23,092.34/163
  6. Step 6: Final answer
    x = 141.67

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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.