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Finding the Fourth Proportional to 258,968.97, 388,025.73 and 118,417.77

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Solution

The fourth proportional to 258,968.97, 388,025.73 and 118,417.77 is: 177,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,968.97 : 388,025.73 = 118,417.77 : x
  2. Step 2: Convert to fraction form
    258,968.97/388,025.73 = 118,417.77/x
  3. Step 3: Cross multiply
    258,968.97x = 388,025.73 × 118,417.77
  4. Step 4: Simplify right side
    258,968.97x = 45,949,141,649.22
  5. Step 5: Solve for x
    x = 45,949,141,649.22/258,968.97
  6. Step 6: Final answer
    x = 177,431.07

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