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Finding the Fourth Proportional to 73,985.50, 102,099.99 and 40,451.50

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Solution

The fourth proportional to 73,985.50, 102,099.99 and 40,451.50 is: 55,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,985.50 : 102,099.99 = 40,451.50 : x
  2. Step 2: Convert to fraction form
    73,985.50/102,099.99 = 40,451.50/x
  3. Step 3: Cross multiply
    73,985.50x = 102,099.99 × 40,451.50
  4. Step 4: Simplify right side
    73,985.50x = 4,130,097,745.49
  5. Step 5: Solve for x
    x = 4,130,097,745.49/73,985.50
  6. Step 6: Final answer
    x = 55,823.07

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