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Finding the Fourth Proportional to 120,947.94, 181,425.96 and 42,062.85

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Solution

The fourth proportional to 120,947.94, 181,425.96 and 42,062.85 is: 63,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,947.94 : 181,425.96 = 42,062.85 : x
  2. Step 2: Convert to fraction form
    120,947.94/181,425.96 = 42,062.85/x
  3. Step 3: Cross multiply
    120,947.94x = 181,425.96 × 42,062.85
  4. Step 4: Simplify right side
    120,947.94x = 7,631,292,941.59
  5. Step 5: Solve for x
    x = 7,631,292,941.59/120,947.94
  6. Step 6: Final answer
    x = 63,095.68

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