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Finding the Fourth Proportional to 105.43, 158.22 and 37.01

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Solution

The fourth proportional to 105.43, 158.22 and 37.01 is: 55.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105.43 : 158.22 = 37.01 : x
  2. Step 2: Convert to fraction form
    105.43/158.22 = 37.01/x
  3. Step 3: Cross multiply
    105.43x = 158.22 × 37.01
  4. Step 4: Simplify right side
    105.43x = 5,855.07
  5. Step 5: Solve for x
    x = 5,855.07/105.43
  6. Step 6: Final answer
    x = 55.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.