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Finding the Fourth Proportional to 59,361.88, 81,919.52 and 32,138.25

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Solution

The fourth proportional to 59,361.88, 81,919.52 and 32,138.25 is: 44,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,361.88 : 81,919.52 = 32,138.25 : x
  2. Step 2: Convert to fraction form
    59,361.88/81,919.52 = 32,138.25/x
  3. Step 3: Cross multiply
    59,361.88x = 81,919.52 × 32,138.25
  4. Step 4: Simplify right side
    59,361.88x = 2,632,750,013.64
  5. Step 5: Solve for x
    x = 2,632,750,013.64/59,361.88
  6. Step 6: Final answer
    x = 44,350.85

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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.