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Finding the Fourth Proportional to 118,551.80, 177,770.10 and 65,905.40

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Solution

The fourth proportional to 118,551.80, 177,770.10 and 65,905.40 is: 98,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,551.80 : 177,770.10 = 65,905.40 : x
  2. Step 2: Convert to fraction form
    118,551.80/177,770.10 = 65,905.40/x
  3. Step 3: Cross multiply
    118,551.80x = 177,770.10 × 65,905.40
  4. Step 4: Simplify right side
    118,551.80x = 11,716,009,548.54
  5. Step 5: Solve for x
    x = 11,716,009,548.54/118,551.80
  6. Step 6: Final answer
    x = 98,826.08

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