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Finding the Fourth Proportional to 118,666.50, 163,759.77 and 65,674.50

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Solution

The fourth proportional to 118,666.50, 163,759.77 and 65,674.50 is: 90,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,666.50 : 163,759.77 = 65,674.50 : x
  2. Step 2: Convert to fraction form
    118,666.50/163,759.77 = 65,674.50/x
  3. Step 3: Cross multiply
    118,666.50x = 163,759.77 × 65,674.50
  4. Step 4: Simplify right side
    118,666.50x = 10,754,841,014.87
  5. Step 5: Solve for x
    x = 10,754,841,014.87/118,666.50
  6. Step 6: Final answer
    x = 90,630.81

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