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Finding the Fourth Proportional to 78,925.94, 108,919.41 and 45,394.10

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Solution

The fourth proportional to 78,925.94, 108,919.41 and 45,394.10 is: 62,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,925.94 : 108,919.41 = 45,394.10 : x
  2. Step 2: Convert to fraction form
    78,925.94/108,919.41 = 45,394.10/x
  3. Step 3: Cross multiply
    78,925.94x = 108,919.41 × 45,394.10
  4. Step 4: Simplify right side
    78,925.94x = 4,944,298,589.48
  5. Step 5: Solve for x
    x = 4,944,298,589.48/78,925.94
  6. Step 6: Final answer
    x = 62,644.79

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