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Finding the Fourth Proportional to 107.44, 162.04 and 106.22

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Solution

The fourth proportional to 107.44, 162.04 and 106.22 is: 160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.44 : 162.04 = 106.22 : x
  2. Step 2: Convert to fraction form
    107.44/162.04 = 106.22/x
  3. Step 3: Cross multiply
    107.44x = 162.04 × 106.22
  4. Step 4: Simplify right side
    107.44x = 17,211.89
  5. Step 5: Solve for x
    x = 17,211.89/107.44
  6. Step 6: Final answer
    x = 160.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.