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Finding the Fourth Proportional to 122,616.62, 183,924.69 and 33,869.87

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Solution

The fourth proportional to 122,616.62, 183,924.69 and 33,869.87 is: 50,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,616.62 : 183,924.69 = 33,869.87 : x
  2. Step 2: Convert to fraction form
    122,616.62/183,924.69 = 33,869.87/x
  3. Step 3: Cross multiply
    122,616.62x = 183,924.69 × 33,869.87
  4. Step 4: Simplify right side
    122,616.62x = 6,229,505,340.09
  5. Step 5: Solve for x
    x = 6,229,505,340.09/122,616.62
  6. Step 6: Final answer
    x = 50,804.74

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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.