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Finding the Fourth Proportional to 122,599.44, 183,860.28 and 39,474

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Solution

The fourth proportional to 122,599.44, 183,860.28 and 39,474 is: 59,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,599.44 : 183,860.28 = 39,474 : x
  2. Step 2: Convert to fraction form
    122,599.44/183,860.28 = 39,474/x
  3. Step 3: Cross multiply
    122,599.44x = 183,860.28 × 39,474
  4. Step 4: Simplify right side
    122,599.44x = 7,257,700,692.72
  5. Step 5: Solve for x
    x = 7,257,700,692.72/122,599.44
  6. Step 6: Final answer
    x = 59,198.48

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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.