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Finding the Fourth Proportional to 70,757.91, 106,098.44 and 35,141.09

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Solution

The fourth proportional to 70,757.91, 106,098.44 and 35,141.09 is: 52,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,757.91 : 106,098.44 = 35,141.09 : x
  2. Step 2: Convert to fraction form
    70,757.91/106,098.44 = 35,141.09/x
  3. Step 3: Cross multiply
    70,757.91x = 106,098.44 × 35,141.09
  4. Step 4: Simplify right side
    70,757.91x = 3,728,414,122.70
  5. Step 5: Solve for x
    x = 3,728,414,122.70/70,757.91
  6. Step 6: Final answer
    x = 52,692.54

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1.5x scale

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.