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Finding the Fourth Proportional to 122,716.56, 184,054.33 and 33,979.03

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Solution

The fourth proportional to 122,716.56, 184,054.33 and 33,979.03 is: 50,962.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,716.56 : 184,054.33 = 33,979.03 : x
  2. Step 2: Convert to fraction form
    122,716.56/184,054.33 = 33,979.03/x
  3. Step 3: Cross multiply
    122,716.56x = 184,054.33 × 33,979.03
  4. Step 4: Simplify right side
    122,716.56x = 6,253,987,600.70
  5. Step 5: Solve for x
    x = 6,253,987,600.70/122,716.56
  6. Step 6: Final answer
    x = 50,962.87

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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.