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Finding the Fourth Proportional to 278,672.10, 384,568.23 and 163,955.06

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Solution

The fourth proportional to 278,672.10, 384,568.23 and 163,955.06 is: 226,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,672.10 : 384,568.23 = 163,955.06 : x
  2. Step 2: Convert to fraction form
    278,672.10/384,568.23 = 163,955.06/x
  3. Step 3: Cross multiply
    278,672.10x = 384,568.23 × 163,955.06
  4. Step 4: Simplify right side
    278,672.10x = 63,051,907,978.34
  5. Step 5: Solve for x
    x = 63,051,907,978.34/278,672.10
  6. Step 6: Final answer
    x = 226,258.42

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