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Finding the Fourth Proportional to 123,119.87, 184,679.78 and 29,625.62

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Solution

The fourth proportional to 123,119.87, 184,679.78 and 29,625.62 is: 44,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,119.87 : 184,679.78 = 29,625.62 : x
  2. Step 2: Convert to fraction form
    123,119.87/184,679.78 = 29,625.62/x
  3. Step 3: Cross multiply
    123,119.87x = 184,679.78 × 29,625.62
  4. Step 4: Simplify right side
    123,119.87x = 5,471,251,912.44
  5. Step 5: Solve for x
    x = 5,471,251,912.44/123,119.87
  6. Step 6: Final answer
    x = 44,438.42

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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.