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Finding the Fourth Proportional to 103,630.10, 155,453.93 and 28,750.24

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Solution

The fourth proportional to 103,630.10, 155,453.93 and 28,750.24 is: 43,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630.10 : 155,453.93 = 28,750.24 : x
  2. Step 2: Convert to fraction form
    103,630.10/155,453.93 = 28,750.24/x
  3. Step 3: Cross multiply
    103,630.10x = 155,453.93 × 28,750.24
  4. Step 4: Simplify right side
    103,630.10x = 4,469,337,796.44
  5. Step 5: Solve for x
    x = 4,469,337,796.44/103,630.10
  6. Step 6: Final answer
    x = 43,127.80

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