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Finding the Fourth Proportional to 236,470.60, 354,705.90 and 78,704.20

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Solution

The fourth proportional to 236,470.60, 354,705.90 and 78,704.20 is: 118,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,470.60 : 354,705.90 = 78,704.20 : x
  2. Step 2: Convert to fraction form
    236,470.60/354,705.90 = 78,704.20/x
  3. Step 3: Cross multiply
    236,470.60x = 354,705.90 × 78,704.20
  4. Step 4: Simplify right side
    236,470.60x = 27,916,844,094.78
  5. Step 5: Solve for x
    x = 27,916,844,094.78/236,470.60
  6. Step 6: Final answer
    x = 118,056.30

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