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Finding the Fourth Proportional to 76,237.69, 105,076.66 and 50,698.41

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Solution

The fourth proportional to 76,237.69, 105,076.66 and 50,698.41 is: 69,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,237.69 : 105,076.66 = 50,698.41 : x
  2. Step 2: Convert to fraction form
    76,237.69/105,076.66 = 50,698.41/x
  3. Step 3: Cross multiply
    76,237.69x = 105,076.66 × 50,698.41
  4. Step 4: Simplify right side
    76,237.69x = 5,327,219,164.39
  5. Step 5: Solve for x
    x = 5,327,219,164.39/76,237.69
  6. Step 6: Final answer
    x = 69,876.45

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