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Finding the Fourth Proportional to 216,583.42, 324,797.37 and 83,396.74

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Solution

The fourth proportional to 216,583.42, 324,797.37 and 83,396.74 is: 125,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,583.42 : 324,797.37 = 83,396.74 : x
  2. Step 2: Convert to fraction form
    216,583.42/324,797.37 = 83,396.74/x
  3. Step 3: Cross multiply
    216,583.42x = 324,797.37 × 83,396.74
  4. Step 4: Simplify right side
    216,583.42x = 27,087,041,818.57
  5. Step 5: Solve for x
    x = 27,087,041,818.57/216,583.42
  6. Step 6: Final answer
    x = 125,065.17

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