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Finding the Fourth Proportional to 118,305.90, 163,237.19 and 75,269.85

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Solution

The fourth proportional to 118,305.90, 163,237.19 and 75,269.85 is: 103,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,305.90 : 163,237.19 = 75,269.85 : x
  2. Step 2: Convert to fraction form
    118,305.90/163,237.19 = 75,269.85/x
  3. Step 3: Cross multiply
    118,305.90x = 163,237.19 × 75,269.85
  4. Step 4: Simplify right side
    118,305.90x = 12,286,837,613.19
  5. Step 5: Solve for x
    x = 12,286,837,613.19/118,305.90
  6. Step 6: Final answer
    x = 103,856.51

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