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Finding the Fourth Proportional to 258,440.92, 387,661.37 and 118,101.13

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Solution

The fourth proportional to 258,440.92, 387,661.37 and 118,101.13 is: 177,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,440.92 : 387,661.37 = 118,101.13 : x
  2. Step 2: Convert to fraction form
    258,440.92/387,661.37 = 118,101.13/x
  3. Step 3: Cross multiply
    258,440.92x = 387,661.37 × 118,101.13
  4. Step 4: Simplify right side
    258,440.92x = 45,783,245,854.35
  5. Step 5: Solve for x
    x = 45,783,245,854.35/258,440.92
  6. Step 6: Final answer
    x = 177,151.69

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