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Finding the Fourth Proportional to 75,541.82, 104,235.46 and 43,704.56

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Solution

The fourth proportional to 75,541.82, 104,235.46 and 43,704.56 is: 60,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,541.82 : 104,235.46 = 43,704.56 : x
  2. Step 2: Convert to fraction form
    75,541.82/104,235.46 = 43,704.56/x
  3. Step 3: Cross multiply
    75,541.82x = 104,235.46 × 43,704.56
  4. Step 4: Simplify right side
    75,541.82x = 4,555,565,067.02
  5. Step 5: Solve for x
    x = 4,555,565,067.02/75,541.82
  6. Step 6: Final answer
    x = 60,305.21

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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.