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Finding the Fourth Proportional to 75,745.44, 104,516.52 and 45,523.56

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Solution

The fourth proportional to 75,745.44, 104,516.52 and 45,523.56 is: 62,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,745.44 : 104,516.52 = 45,523.56 : x
  2. Step 2: Convert to fraction form
    75,745.44/104,516.52 = 45,523.56/x
  3. Step 3: Cross multiply
    75,745.44x = 104,516.52 × 45,523.56
  4. Step 4: Simplify right side
    75,745.44x = 4,757,964,069.21
  5. Step 5: Solve for x
    x = 4,757,964,069.21/75,745.44
  6. Step 6: Final answer
    x = 62,815.19

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