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Finding the Fourth Proportional to 163.01, 224.93 and 97.50

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Solution

The fourth proportional to 163.01, 224.93 and 97.50 is: 134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.01 : 224.93 = 97.50 : x
  2. Step 2: Convert to fraction form
    163.01/224.93 = 97.50/x
  3. Step 3: Cross multiply
    163.01x = 224.93 × 97.50
  4. Step 4: Simplify right side
    163.01x = 21,930.92
  5. Step 5: Solve for x
    x = 21,930.92/163.01
  6. Step 6: Final answer
    x = 134.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.