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Finding the Fourth Proportional to 198,597.84, 298,108.98 and 80,346.48

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Solution

The fourth proportional to 198,597.84, 298,108.98 and 80,346.48 is: 120,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,597.84 : 298,108.98 = 80,346.48 : x
  2. Step 2: Convert to fraction form
    198,597.84/298,108.98 = 80,346.48/x
  3. Step 3: Cross multiply
    198,597.84x = 298,108.98 × 80,346.48
  4. Step 4: Simplify right side
    198,597.84x = 23,952,007,199.39
  5. Step 5: Solve for x
    x = 23,952,007,199.39/198,597.84
  6. Step 6: Final answer
    x = 120,605.58

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