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Finding the Fourth Proportional to 120,770.16, 180,879.34 and 57,634.62

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Solution

The fourth proportional to 120,770.16, 180,879.34 and 57,634.62 is: 86,320.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,770.16 : 180,879.34 = 57,634.62 : x
  2. Step 2: Convert to fraction form
    120,770.16/180,879.34 = 57,634.62/x
  3. Step 3: Cross multiply
    120,770.16x = 180,879.34 × 57,634.62
  4. Step 4: Simplify right side
    120,770.16x = 10,424,912,026.75
  5. Step 5: Solve for x
    x = 10,424,912,026.75/120,770.16
  6. Step 6: Final answer
    x = 86,320.26

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