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Finding the Fourth Proportional to 118,305.46, 163,200.77 and 78,004.52

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Solution

The fourth proportional to 118,305.46, 163,200.77 and 78,004.52 is: 107,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,305.46 : 163,200.77 = 78,004.52 : x
  2. Step 2: Convert to fraction form
    118,305.46/163,200.77 = 78,004.52/x
  3. Step 3: Cross multiply
    118,305.46x = 163,200.77 × 78,004.52
  4. Step 4: Simplify right side
    118,305.46x = 12,730,397,864.75
  5. Step 5: Solve for x
    x = 12,730,397,864.75/118,305.46
  6. Step 6: Final answer
    x = 107,606.17

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