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Finding the Fourth Proportional to 120,746.61, 180,884.30 and 79,067.25

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Solution

The fourth proportional to 120,746.61, 180,884.30 and 79,067.25 is: 118,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,746.61 : 180,884.30 = 79,067.25 : x
  2. Step 2: Convert to fraction form
    120,746.61/180,884.30 = 79,067.25/x
  3. Step 3: Cross multiply
    120,746.61x = 180,884.30 × 79,067.25
  4. Step 4: Simplify right side
    120,746.61x = 14,302,023,773.84
  5. Step 5: Solve for x
    x = 14,302,023,773.84/120,746.61
  6. Step 6: Final answer
    x = 118,446.59

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