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Finding the Fourth Proportional to 278,117.54, 416,928.89 and 100,585.08

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Solution

The fourth proportional to 278,117.54, 416,928.89 and 100,585.08 is: 150,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,117.54 : 416,928.89 = 100,585.08 : x
  2. Step 2: Convert to fraction form
    278,117.54/416,928.89 = 100,585.08/x
  3. Step 3: Cross multiply
    278,117.54x = 416,928.89 × 100,585.08
  4. Step 4: Simplify right side
    278,117.54x = 41,936,825,252.04
  5. Step 5: Solve for x
    x = 41,936,825,252.04/278,117.54
  6. Step 6: Final answer
    x = 150,788.14

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