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Finding the Fourth Proportional to 107.18, 160.74 and 35.06

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Solution

The fourth proportional to 107.18, 160.74 and 35.06 is: 52.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.18 : 160.74 = 35.06 : x
  2. Step 2: Convert to fraction form
    107.18/160.74 = 35.06/x
  3. Step 3: Cross multiply
    107.18x = 160.74 × 35.06
  4. Step 4: Simplify right side
    107.18x = 5,635.54
  5. Step 5: Solve for x
    x = 5,635.54/107.18
  6. Step 6: Final answer
    x = 52.58

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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.