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Finding the Fourth Proportional to 126,003.60, 173,890.80 and 85,762.80

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Solution

The fourth proportional to 126,003.60, 173,890.80 and 85,762.80 is: 118,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,003.60 : 173,890.80 = 85,762.80 : x
  2. Step 2: Convert to fraction form
    126,003.60/173,890.80 = 85,762.80/x
  3. Step 3: Cross multiply
    126,003.60x = 173,890.80 × 85,762.80
  4. Step 4: Simplify right side
    126,003.60x = 14,913,361,902.24
  5. Step 5: Solve for x
    x = 14,913,361,902.24/126,003.60
  6. Step 6: Final answer
    x = 118,356.63

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