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Finding the Fourth Proportional to 181,778.69, 250,898.78 and 105,285.47

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Solution

The fourth proportional to 181,778.69, 250,898.78 and 105,285.47 is: 145,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,778.69 : 250,898.78 = 105,285.47 : x
  2. Step 2: Convert to fraction form
    181,778.69/250,898.78 = 105,285.47/x
  3. Step 3: Cross multiply
    181,778.69x = 250,898.78 × 105,285.47
  4. Step 4: Simplify right side
    181,778.69x = 26,415,994,983.45
  5. Step 5: Solve for x
    x = 26,415,994,983.45/181,778.69
  6. Step 6: Final answer
    x = 145,319.53

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