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Finding the Fourth Proportional to 106.10, 158.23 and 92.46

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Solution

The fourth proportional to 106.10, 158.23 and 92.46 is: 137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.10 : 158.23 = 92.46 : x
  2. Step 2: Convert to fraction form
    106.10/158.23 = 92.46/x
  3. Step 3: Cross multiply
    106.10x = 158.23 × 92.46
  4. Step 4: Simplify right side
    106.10x = 14,629.95
  5. Step 5: Solve for x
    x = 14,629.95/106.10
  6. Step 6: Final answer
    x = 137.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.