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Finding the Fourth Proportional to 77,321.93, 106,711.74 and 43,336.15

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Solution

The fourth proportional to 77,321.93, 106,711.74 and 43,336.15 is: 59,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,321.93 : 106,711.74 = 43,336.15 : x
  2. Step 2: Convert to fraction form
    77,321.93/106,711.74 = 43,336.15/x
  3. Step 3: Cross multiply
    77,321.93x = 106,711.74 × 43,336.15
  4. Step 4: Simplify right side
    77,321.93x = 4,624,475,971.40
  5. Step 5: Solve for x
    x = 4,624,475,971.40/77,321.93
  6. Step 6: Final answer
    x = 59,808.08

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