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Finding the Fourth Proportional to 78,755.04, 108,680.04 and 42,945.84

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Solution

The fourth proportional to 78,755.04, 108,680.04 and 42,945.84 is: 59,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,755.04 : 108,680.04 = 42,945.84 : x
  2. Step 2: Convert to fraction form
    78,755.04/108,680.04 = 42,945.84/x
  3. Step 3: Cross multiply
    78,755.04x = 108,680.04 × 42,945.84
  4. Step 4: Simplify right side
    78,755.04x = 4,667,355,609.03
  5. Step 5: Solve for x
    x = 4,667,355,609.03/78,755.04
  6. Step 6: Final answer
    x = 59,264.21

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