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Finding the Fourth Proportional to 80,596.80, 121,010.40 and 45,604.80

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Solution

The fourth proportional to 80,596.80, 121,010.40 and 45,604.80 is: 68,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,596.80 : 121,010.40 = 45,604.80 : x
  2. Step 2: Convert to fraction form
    80,596.80/121,010.40 = 45,604.80/x
  3. Step 3: Cross multiply
    80,596.80x = 121,010.40 × 45,604.80
  4. Step 4: Simplify right side
    80,596.80x = 5,518,655,089.92
  5. Step 5: Solve for x
    x = 5,518,655,089.92/80,596.80
  6. Step 6: Final answer
    x = 68,472.38

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