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Finding the Fourth Proportional to 106.71, 160.05 and 37.29

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Solution

The fourth proportional to 106.71, 160.05 and 37.29 is: 55.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.71 : 160.05 = 37.29 : x
  2. Step 2: Convert to fraction form
    106.71/160.05 = 37.29/x
  3. Step 3: Cross multiply
    106.71x = 160.05 × 37.29
  4. Step 4: Simplify right side
    106.71x = 5,968.26
  5. Step 5: Solve for x
    x = 5,968.26/106.71
  6. Step 6: Final answer
    x = 55.93

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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.