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Finding the Fourth Proportional to 78,464.17, 108,278.28 and 44,475.79

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Solution

The fourth proportional to 78,464.17, 108,278.28 and 44,475.79 is: 61,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,464.17 : 108,278.28 = 44,475.79 : x
  2. Step 2: Convert to fraction form
    78,464.17/108,278.28 = 44,475.79/x
  3. Step 3: Cross multiply
    78,464.17x = 108,278.28 × 44,475.79
  4. Step 4: Simplify right side
    78,464.17x = 4,815,762,042.84
  5. Step 5: Solve for x
    x = 4,815,762,042.84/78,464.17
  6. Step 6: Final answer
    x = 61,375.30

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