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Finding the Fourth Proportional to 154,405.44, 231,573.32 and 78,427.04

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Solution

The fourth proportional to 154,405.44, 231,573.32 and 78,427.04 is: 117,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,405.44 : 231,573.32 = 78,427.04 : x
  2. Step 2: Convert to fraction form
    154,405.44/231,573.32 = 78,427.04/x
  3. Step 3: Cross multiply
    154,405.44x = 231,573.32 × 78,427.04
  4. Step 4: Simplify right side
    154,405.44x = 18,161,610,030.57
  5. Step 5: Solve for x
    x = 18,161,610,030.57/154,405.44
  6. Step 6: Final answer
    x = 117,622.86

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