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Finding the Fourth Proportional to 298,766.40, 448,322.40 and 111,796.80

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Solution

The fourth proportional to 298,766.40, 448,322.40 and 111,796.80 is: 167,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,766.40 : 448,322.40 = 111,796.80 : x
  2. Step 2: Convert to fraction form
    298,766.40/448,322.40 = 111,796.80/x
  3. Step 3: Cross multiply
    298,766.40x = 448,322.40 × 111,796.80
  4. Step 4: Simplify right side
    298,766.40x = 50,121,009,688.32
  5. Step 5: Solve for x
    x = 50,121,009,688.32/298,766.40
  6. Step 6: Final answer
    x = 167,759.86

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