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Finding the Fourth Proportional to 58,400.80, 87,601.20 and 28,823.20

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Solution

The fourth proportional to 58,400.80, 87,601.20 and 28,823.20 is: 43,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,400.80 : 87,601.20 = 28,823.20 : x
  2. Step 2: Convert to fraction form
    58,400.80/87,601.20 = 28,823.20/x
  3. Step 3: Cross multiply
    58,400.80x = 87,601.20 × 28,823.20
  4. Step 4: Simplify right side
    58,400.80x = 2,524,946,907.84
  5. Step 5: Solve for x
    x = 2,524,946,907.84/58,400.80
  6. Step 6: Final answer
    x = 43,234.80

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