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Finding the Fourth Proportional to 122,470.81, 183,706.02 and 80,340.86

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Solution

The fourth proportional to 122,470.81, 183,706.02 and 80,340.86 is: 120,511.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,470.81 : 183,706.02 = 80,340.86 : x
  2. Step 2: Convert to fraction form
    122,470.81/183,706.02 = 80,340.86/x
  3. Step 3: Cross multiply
    122,470.81x = 183,706.02 × 80,340.86
  4. Step 4: Simplify right side
    122,470.81x = 14,759,098,715.45
  5. Step 5: Solve for x
    x = 14,759,098,715.45/122,470.81
  6. Step 6: Final answer
    x = 120,511.16

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