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Finding the Fourth Proportional to 278,013.97, 417,038.63 and 98,077.13

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Solution

The fourth proportional to 278,013.97, 417,038.63 and 98,077.13 is: 147,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,013.97 : 417,038.63 = 98,077.13 : x
  2. Step 2: Convert to fraction form
    278,013.97/417,038.63 = 98,077.13/x
  3. Step 3: Cross multiply
    278,013.97x = 417,038.63 × 98,077.13
  4. Step 4: Simplify right side
    278,013.97x = 40,901,950,917.85
  5. Step 5: Solve for x
    x = 40,901,950,917.85/278,013.97
  6. Step 6: Final answer
    x = 147,121.93

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