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Finding the Fourth Proportional to 125,635.96, 188,380.14 and 50,758.48

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Solution

The fourth proportional to 125,635.96, 188,380.14 and 50,758.48 is: 76,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,635.96 : 188,380.14 = 50,758.48 : x
  2. Step 2: Convert to fraction form
    125,635.96/188,380.14 = 50,758.48/x
  3. Step 3: Cross multiply
    125,635.96x = 188,380.14 × 50,758.48
  4. Step 4: Simplify right side
    125,635.96x = 9,561,889,568.59
  5. Step 5: Solve for x
    x = 9,561,889,568.59/125,635.96
  6. Step 6: Final answer
    x = 76,107.90

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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.