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Finding the Fourth Proportional to 136,328.80, 204,493.20 and 53,222.80

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Solution

The fourth proportional to 136,328.80, 204,493.20 and 53,222.80 is: 79,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,328.80 : 204,493.20 = 53,222.80 : x
  2. Step 2: Convert to fraction form
    136,328.80/204,493.20 = 53,222.80/x
  3. Step 3: Cross multiply
    136,328.80x = 204,493.20 × 53,222.80
  4. Step 4: Simplify right side
    136,328.80x = 10,883,700,684.96
  5. Step 5: Solve for x
    x = 10,883,700,684.96/136,328.80
  6. Step 6: Final answer
    x = 79,834.20

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