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Finding the Fourth Proportional to 78,940.98, 118,430.07 and 25,632.77

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Solution

The fourth proportional to 78,940.98, 118,430.07 and 25,632.77 is: 38,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,940.98 : 118,430.07 = 25,632.77 : x
  2. Step 2: Convert to fraction form
    78,940.98/118,430.07 = 25,632.77/x
  3. Step 3: Cross multiply
    78,940.98x = 118,430.07 × 25,632.77
  4. Step 4: Simplify right side
    78,940.98x = 3,035,690,153.24
  5. Step 5: Solve for x
    x = 3,035,690,153.24/78,940.98
  6. Step 6: Final answer
    x = 38,455.19

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