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Finding the Fourth Proportional to 122,619, 183,928.50 and 35,067

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Solution

The fourth proportional to 122,619, 183,928.50 and 35,067 is: 52,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,619 : 183,928.50 = 35,067 : x
  2. Step 2: Convert to fraction form
    122,619/183,928.50 = 35,067/x
  3. Step 3: Cross multiply
    122,619x = 183,928.50 × 35,067
  4. Step 4: Simplify right side
    122,619x = 6,449,820,709.50
  5. Step 5: Solve for x
    x = 6,449,820,709.50/122,619
  6. Step 6: Final answer
    x = 52,600.50

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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.