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Finding the Fourth Proportional to 263,533.48, 363,671.80 and 142,673.78

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Solution

The fourth proportional to 263,533.48, 363,671.80 and 142,673.78 is: 196,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,533.48 : 363,671.80 = 142,673.78 : x
  2. Step 2: Convert to fraction form
    263,533.48/363,671.80 = 142,673.78/x
  3. Step 3: Cross multiply
    263,533.48x = 363,671.80 × 142,673.78
  4. Step 4: Simplify right side
    263,533.48x = 51,886,430,385.40
  5. Step 5: Solve for x
    x = 51,886,430,385.40/263,533.48
  6. Step 6: Final answer
    x = 196,887.43

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