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Finding the Fourth Proportional to 163.01, 224.94 and 93.06

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Solution

The fourth proportional to 163.01, 224.94 and 93.06 is: 128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.01 : 224.94 = 93.06 : x
  2. Step 2: Convert to fraction form
    163.01/224.94 = 93.06/x
  3. Step 3: Cross multiply
    163.01x = 224.94 × 93.06
  4. Step 4: Simplify right side
    163.01x = 20,932.92
  5. Step 5: Solve for x
    x = 20,932.92/163.01
  6. Step 6: Final answer
    x = 128.42

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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.