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Finding the Fourth Proportional to 139,766.68, 192,878.94 and 76,104.16

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Solution

The fourth proportional to 139,766.68, 192,878.94 and 76,104.16 is: 105,024.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,766.68 : 192,878.94 = 76,104.16 : x
  2. Step 2: Convert to fraction form
    139,766.68/192,878.94 = 76,104.16/x
  3. Step 3: Cross multiply
    139,766.68x = 192,878.94 × 76,104.16
  4. Step 4: Simplify right side
    139,766.68x = 14,678,889,710.39
  5. Step 5: Solve for x
    x = 14,678,889,710.39/139,766.68
  6. Step 6: Final answer
    x = 105,024.24

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