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Finding the Fourth Proportional to 87,424.32, 120,655.80 and 49,704.24

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Solution

The fourth proportional to 87,424.32, 120,655.80 and 49,704.24 is: 68,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,424.32 : 120,655.80 = 49,704.24 : x
  2. Step 2: Convert to fraction form
    87,424.32/120,655.80 = 49,704.24/x
  3. Step 3: Cross multiply
    87,424.32x = 120,655.80 × 49,704.24
  4. Step 4: Simplify right side
    87,424.32x = 5,997,104,840.59
  5. Step 5: Solve for x
    x = 5,997,104,840.59/87,424.32
  6. Step 6: Final answer
    x = 68,597.67

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