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Finding the Fourth Proportional to 78,044.67, 107,701.83 and 42,235.02

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Solution

The fourth proportional to 78,044.67, 107,701.83 and 42,235.02 is: 58,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,044.67 : 107,701.83 = 42,235.02 : x
  2. Step 2: Convert to fraction form
    78,044.67/107,701.83 = 42,235.02/x
  3. Step 3: Cross multiply
    78,044.67x = 107,701.83 × 42,235.02
  4. Step 4: Simplify right side
    78,044.67x = 4,548,788,944.09
  5. Step 5: Solve for x
    x = 4,548,788,944.09/78,044.67
  6. Step 6: Final answer
    x = 58,284.43

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