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Finding the Fourth Proportional to 100,797.94, 139,106.88 and 57,784.54

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Solution

The fourth proportional to 100,797.94, 139,106.88 and 57,784.54 is: 79,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,797.94 : 139,106.88 = 57,784.54 : x
  2. Step 2: Convert to fraction form
    100,797.94/139,106.88 = 57,784.54/x
  3. Step 3: Cross multiply
    100,797.94x = 139,106.88 × 57,784.54
  4. Step 4: Simplify right side
    100,797.94x = 8,038,227,071.64
  5. Step 5: Solve for x
    x = 8,038,227,071.64/100,797.94
  6. Step 6: Final answer
    x = 79,745.95

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