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Finding the Fourth Proportional to 75,978.87, 104,872.74 and 50,156.32

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Solution

The fourth proportional to 75,978.87, 104,872.74 and 50,156.32 is: 69,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,978.87 : 104,872.74 = 50,156.32 : x
  2. Step 2: Convert to fraction form
    75,978.87/104,872.74 = 50,156.32/x
  3. Step 3: Cross multiply
    75,978.87x = 104,872.74 × 50,156.32
  4. Step 4: Simplify right side
    75,978.87x = 5,260,030,182.35
  5. Step 5: Solve for x
    x = 5,260,030,182.35/75,978.87
  6. Step 6: Final answer
    x = 69,230.18

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