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Finding the Fourth Proportional to 109,027.98, 163,605.41 and 45,843.52

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Solution

The fourth proportional to 109,027.98, 163,605.41 and 45,843.52 is: 68,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,027.98 : 163,605.41 = 45,843.52 : x
  2. Step 2: Convert to fraction form
    109,027.98/163,605.41 = 45,843.52/x
  3. Step 3: Cross multiply
    109,027.98x = 163,605.41 × 45,843.52
  4. Step 4: Simplify right side
    109,027.98x = 7,500,247,885.44
  5. Step 5: Solve for x
    x = 7,500,247,885.44/109,027.98
  6. Step 6: Final answer
    x = 68,791.95

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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.