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Finding the Fourth Proportional to 76,131.16, 105,025.21 and 50,649.98

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Solution

The fourth proportional to 76,131.16, 105,025.21 and 50,649.98 is: 69,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,131.16 : 105,025.21 = 50,649.98 : x
  2. Step 2: Convert to fraction form
    76,131.16/105,025.21 = 50,649.98/x
  3. Step 3: Cross multiply
    76,131.16x = 105,025.21 × 50,649.98
  4. Step 4: Simplify right side
    76,131.16x = 5,319,524,134.24
  5. Step 5: Solve for x
    x = 5,319,524,134.24/76,131.16
  6. Step 6: Final answer
    x = 69,873.15

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