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Finding the Fourth Proportional to 135,790.74, 187,413.62 and 75,380.72

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Solution

The fourth proportional to 135,790.74, 187,413.62 and 75,380.72 is: 104,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,790.74 : 187,413.62 = 75,380.72 : x
  2. Step 2: Convert to fraction form
    135,790.74/187,413.62 = 75,380.72/x
  3. Step 3: Cross multiply
    135,790.74x = 187,413.62 × 75,380.72
  4. Step 4: Simplify right side
    135,790.74x = 14,127,372,299.43
  5. Step 5: Solve for x
    x = 14,127,372,299.43/135,790.74
  6. Step 6: Final answer
    x = 104,037.82

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