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Finding the Fourth Proportional to 75,522.56, 104,067.56 and 58,422.96

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Solution

The fourth proportional to 75,522.56, 104,067.56 and 58,422.96 is: 80,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,522.56 : 104,067.56 = 58,422.96 : x
  2. Step 2: Convert to fraction form
    75,522.56/104,067.56 = 58,422.96/x
  3. Step 3: Cross multiply
    75,522.56x = 104,067.56 × 58,422.96
  4. Step 4: Simplify right side
    75,522.56x = 6,079,934,895.18
  5. Step 5: Solve for x
    x = 6,079,934,895.18/75,522.56
  6. Step 6: Final answer
    x = 80,504.88

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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.