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Finding the Fourth Proportional to 56,868.78, 78,504.09 and 36,735.47

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Solution

The fourth proportional to 56,868.78, 78,504.09 and 36,735.47 is: 50,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,868.78 : 78,504.09 = 36,735.47 : x
  2. Step 2: Convert to fraction form
    56,868.78/78,504.09 = 36,735.47/x
  3. Step 3: Cross multiply
    56,868.78x = 78,504.09 × 36,735.47
  4. Step 4: Simplify right side
    56,868.78x = 2,883,884,848.77
  5. Step 5: Solve for x
    x = 2,883,884,848.77/56,868.78
  6. Step 6: Final answer
    x = 50,711.21

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