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Finding the Fourth Proportional to 105.49, 158.17 and 37.01

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Solution

The fourth proportional to 105.49, 158.17 and 37.01 is: 55.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105.49 : 158.17 = 37.01 : x
  2. Step 2: Convert to fraction form
    105.49/158.17 = 37.01/x
  3. Step 3: Cross multiply
    105.49x = 158.17 × 37.01
  4. Step 4: Simplify right side
    105.49x = 5,853.35
  5. Step 5: Solve for x
    x = 5,853.35/105.49
  6. Step 6: Final answer
    x = 55.49

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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.