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Finding the Fourth Proportional to 150,370.52, 207,518.18 and 85,857.21

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Solution

The fourth proportional to 150,370.52, 207,518.18 and 85,857.21 is: 118,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,370.52 : 207,518.18 = 85,857.21 : x
  2. Step 2: Convert to fraction form
    150,370.52/207,518.18 = 85,857.21/x
  3. Step 3: Cross multiply
    150,370.52x = 207,518.18 × 85,857.21
  4. Step 4: Simplify right side
    150,370.52x = 17,816,931,529.79
  5. Step 5: Solve for x
    x = 17,816,931,529.79/150,370.52
  6. Step 6: Final answer
    x = 118,486.87

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