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Finding the Fourth Proportional to 122,494.52, 183,793.78 and 59,361.64

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Solution

The fourth proportional to 122,494.52, 183,793.78 and 59,361.64 is: 89,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,494.52 : 183,793.78 = 59,361.64 : x
  2. Step 2: Convert to fraction form
    122,494.52/183,793.78 = 59,361.64/x
  3. Step 3: Cross multiply
    122,494.52x = 183,793.78 × 59,361.64
  4. Step 4: Simplify right side
    122,494.52x = 10,910,299,817.32
  5. Step 5: Solve for x
    x = 10,910,299,817.32/122,494.52
  6. Step 6: Final answer
    x = 89,067.65

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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.