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Finding the Fourth Proportional to 118,083.20, 177,124.80 and 73,140.35

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Solution

The fourth proportional to 118,083.20, 177,124.80 and 73,140.35 is: 109,710.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,083.20 : 177,124.80 = 73,140.35 : x
  2. Step 2: Convert to fraction form
    118,083.20/177,124.80 = 73,140.35/x
  3. Step 3: Cross multiply
    118,083.20x = 177,124.80 × 73,140.35
  4. Step 4: Simplify right side
    118,083.20x = 12,954,969,865.68
  5. Step 5: Solve for x
    x = 12,954,969,865.68/118,083.20
  6. Step 6: Final answer
    x = 109,710.53

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