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Finding the Fourth Proportional to 150,869.26, 208,236.99 and 87,197.86

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Solution

The fourth proportional to 150,869.26, 208,236.99 and 87,197.86 is: 120,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,869.26 : 208,236.99 = 87,197.86 : x
  2. Step 2: Convert to fraction form
    150,869.26/208,236.99 = 87,197.86/x
  3. Step 3: Cross multiply
    150,869.26x = 208,236.99 × 87,197.86
  4. Step 4: Simplify right side
    150,869.26x = 18,157,819,900.84
  5. Step 5: Solve for x
    x = 18,157,819,900.84/150,869.26
  6. Step 6: Final answer
    x = 120,354.67

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