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Finding the Fourth Proportional to 106.67, 160.00 and 29.64

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Solution

The fourth proportional to 106.67, 160.00 and 29.64 is: 44.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.67 : 160.00 = 29.64 : x
  2. Step 2: Convert to fraction form
    106.67/160.00 = 29.64/x
  3. Step 3: Cross multiply
    106.67x = 160.00 × 29.64
  4. Step 4: Simplify right side
    106.67x = 4,742.25
  5. Step 5: Solve for x
    x = 4,742.25/106.67
  6. Step 6: Final answer
    x = 44.46

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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.