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Finding the Fourth Proportional to 105.93, 158.91 and 37.46

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Solution

The fourth proportional to 105.93, 158.91 and 37.46 is: 56.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105.93 : 158.91 = 37.46 : x
  2. Step 2: Convert to fraction form
    105.93/158.91 = 37.46/x
  3. Step 3: Cross multiply
    105.93x = 158.91 × 37.46
  4. Step 4: Simplify right side
    105.93x = 5,953.24
  5. Step 5: Solve for x
    x = 5,953.24/105.93
  6. Step 6: Final answer
    x = 56.20

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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.