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Finding the Fourth Proportional to 125,846.80, 188,770.20 and 119,723.20

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Solution

The fourth proportional to 125,846.80, 188,770.20 and 119,723.20 is: 179,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,846.80 : 188,770.20 = 119,723.20 : x
  2. Step 2: Convert to fraction form
    125,846.80/188,770.20 = 119,723.20/x
  3. Step 3: Cross multiply
    125,846.80x = 188,770.20 × 119,723.20
  4. Step 4: Simplify right side
    125,846.80x = 22,600,172,408.64
  5. Step 5: Solve for x
    x = 22,600,172,408.64/125,846.80
  6. Step 6: Final answer
    x = 179,584.80

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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.