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Finding the Fourth Proportional to 250.94, 376.60 and 106.76

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Solution

The fourth proportional to 250.94, 376.60 and 106.76 is: 160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.94 : 376.60 = 106.76 : x
  2. Step 2: Convert to fraction form
    250.94/376.60 = 106.76/x
  3. Step 3: Cross multiply
    250.94x = 376.60 × 106.76
  4. Step 4: Simplify right side
    250.94x = 40,205.82
  5. Step 5: Solve for x
    x = 40,205.82/250.94
  6. Step 6: Final answer
    x = 160.22

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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.