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Finding the Fourth Proportional to 50,069.61, 75,121.74 and 29,027.94

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Solution

The fourth proportional to 50,069.61, 75,121.74 and 29,027.94 is: 43,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,069.61 : 75,121.74 = 29,027.94 : x
  2. Step 2: Convert to fraction form
    50,069.61/75,121.74 = 29,027.94/x
  3. Step 3: Cross multiply
    50,069.61x = 75,121.74 × 29,027.94
  4. Step 4: Simplify right side
    50,069.61x = 2,180,629,361.42
  5. Step 5: Solve for x
    x = 2,180,629,361.42/50,069.61
  6. Step 6: Final answer
    x = 43,551.95

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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.