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Finding the Fourth Proportional to 110.70, 163.01 and 110.70

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Solution

The fourth proportional to 110.70, 163.01 and 110.70 is: 163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.70 : 163.01 = 110.70 : x
  2. Step 2: Convert to fraction form
    110.70/163.01 = 110.70/x
  3. Step 3: Cross multiply
    110.70x = 163.01 × 110.70
  4. Step 4: Simplify right side
    110.70x = 18,044.65
  5. Step 5: Solve for x
    x = 18,044.65/110.70
  6. Step 6: Final answer
    x = 163.01

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.