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Finding the Fourth Proportional to 56,888.36, 78,505.72 and 31,737.84

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Solution

The fourth proportional to 56,888.36, 78,505.72 and 31,737.84 is: 43,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,888.36 : 78,505.72 = 31,737.84 : x
  2. Step 2: Convert to fraction form
    56,888.36/78,505.72 = 31,737.84/x
  3. Step 3: Cross multiply
    56,888.36x = 78,505.72 × 31,737.84
  4. Step 4: Simplify right side
    56,888.36x = 2,491,601,980.44
  5. Step 5: Solve for x
    x = 2,491,601,980.44/56,888.36
  6. Step 6: Final answer
    x = 43,798.10

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