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Finding the Fourth Proportional to 163.06, 224.98 and 97.59

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Solution

The fourth proportional to 163.06, 224.98 and 97.59 is: 134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.06 : 224.98 = 97.59 : x
  2. Step 2: Convert to fraction form
    163.06/224.98 = 97.59/x
  3. Step 3: Cross multiply
    163.06x = 224.98 × 97.59
  4. Step 4: Simplify right side
    163.06x = 21,955.80
  5. Step 5: Solve for x
    x = 21,955.80/163.06
  6. Step 6: Final answer
    x = 134.65

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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.