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Finding the Fourth Proportional to 117.14, 175.73 and 106.83

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Solution

The fourth proportional to 117.14, 175.73 and 106.83 is: 160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.14 : 175.73 = 106.83 : x
  2. Step 2: Convert to fraction form
    117.14/175.73 = 106.83/x
  3. Step 3: Cross multiply
    117.14x = 175.73 × 106.83
  4. Step 4: Simplify right side
    117.14x = 18,772.70
  5. Step 5: Solve for x
    x = 18,772.70/117.14
  6. Step 6: Final answer
    x = 160.27

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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.