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Finding the Fourth Proportional to 178,971.70, 246,966.24 and 105,372.43

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Solution

The fourth proportional to 178,971.70, 246,966.24 and 105,372.43 is: 145,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,971.70 : 246,966.24 = 105,372.43 : x
  2. Step 2: Convert to fraction form
    178,971.70/246,966.24 = 105,372.43/x
  3. Step 3: Cross multiply
    178,971.70x = 246,966.24 × 105,372.43
  4. Step 4: Simplify right side
    178,971.70x = 26,023,432,614.49
  5. Step 5: Solve for x
    x = 26,023,432,614.49/178,971.70
  6. Step 6: Final answer
    x = 145,405.30

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