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Finding the Fourth Proportional to 75,245.73, 103,840.28 and 41,257.32

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Solution

The fourth proportional to 75,245.73, 103,840.28 and 41,257.32 is: 56,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,245.73 : 103,840.28 = 41,257.32 : x
  2. Step 2: Convert to fraction form
    75,245.73/103,840.28 = 41,257.32/x
  3. Step 3: Cross multiply
    75,245.73x = 103,840.28 × 41,257.32
  4. Step 4: Simplify right side
    75,245.73x = 4,284,171,660.85
  5. Step 5: Solve for x
    x = 4,284,171,660.85/75,245.73
  6. Step 6: Final answer
    x = 56,935.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.