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Finding the Fourth Proportional to 354,461.28, 531,601.20 and 105,084.96

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Solution

The fourth proportional to 354,461.28, 531,601.20 and 105,084.96 is: 157,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,461.28 : 531,601.20 = 105,084.96 : x
  2. Step 2: Convert to fraction form
    354,461.28/531,601.20 = 105,084.96/x
  3. Step 3: Cross multiply
    354,461.28x = 531,601.20 × 105,084.96
  4. Step 4: Simplify right side
    354,461.28x = 55,863,290,837.95
  5. Step 5: Solve for x
    x = 55,863,290,837.95/354,461.28
  6. Step 6: Final answer
    x = 157,600.54

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