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Finding the Fourth Proportional to 118,417.20, 177,625.80 and 103,210.80

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Solution

The fourth proportional to 118,417.20, 177,625.80 and 103,210.80 is: 154,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,417.20 : 177,625.80 = 103,210.80 : x
  2. Step 2: Convert to fraction form
    118,417.20/177,625.80 = 103,210.80/x
  3. Step 3: Cross multiply
    118,417.20x = 177,625.80 × 103,210.80
  4. Step 4: Simplify right side
    118,417.20x = 18,332,900,918.64
  5. Step 5: Solve for x
    x = 18,332,900,918.64/118,417.20
  6. Step 6: Final answer
    x = 154,816.20

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