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Finding the Fourth Proportional to 65,399.34, 90,247.98 and 36,329.58

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Solution

The fourth proportional to 65,399.34, 90,247.98 and 36,329.58 is: 50,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,399.34 : 90,247.98 = 36,329.58 : x
  2. Step 2: Convert to fraction form
    65,399.34/90,247.98 = 36,329.58/x
  3. Step 3: Cross multiply
    65,399.34x = 90,247.98 × 36,329.58
  4. Step 4: Simplify right side
    65,399.34x = 3,278,671,209.25
  5. Step 5: Solve for x
    x = 3,278,671,209.25/65,399.34
  6. Step 6: Final answer
    x = 50,133.09

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