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Finding the Fourth Proportional to 78,385.44, 108,141.42 and 44,386.12

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Solution

The fourth proportional to 78,385.44, 108,141.42 and 44,386.12 is: 61,235.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,385.44 : 108,141.42 = 44,386.12 : x
  2. Step 2: Convert to fraction form
    78,385.44/108,141.42 = 44,386.12/x
  3. Step 3: Cross multiply
    78,385.44x = 108,141.42 × 44,386.12
  4. Step 4: Simplify right side
    78,385.44x = 4,799,978,045.09
  5. Step 5: Solve for x
    x = 4,799,978,045.09/78,385.44
  6. Step 6: Final answer
    x = 61,235.58

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