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Finding the Fourth Proportional to 122,508.31, 183,768.74 and 33,759.85

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Solution

The fourth proportional to 122,508.31, 183,768.74 and 33,759.85 is: 50,641.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,508.31 : 183,768.74 = 33,759.85 : x
  2. Step 2: Convert to fraction form
    122,508.31/183,768.74 = 33,759.85/x
  3. Step 3: Cross multiply
    122,508.31x = 183,768.74 × 33,759.85
  4. Step 4: Simplify right side
    122,508.31x = 6,204,005,097.09
  5. Step 5: Solve for x
    x = 6,204,005,097.09/122,508.31
  6. Step 6: Final answer
    x = 50,641.50

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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.