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Finding the Fourth Proportional to 74,635.40, 111,953.10 and 51,015.80

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Solution

The fourth proportional to 74,635.40, 111,953.10 and 51,015.80 is: 76,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,635.40 : 111,953.10 = 51,015.80 : x
  2. Step 2: Convert to fraction form
    74,635.40/111,953.10 = 51,015.80/x
  3. Step 3: Cross multiply
    74,635.40x = 111,953.10 × 51,015.80
  4. Step 4: Simplify right side
    74,635.40x = 5,711,376,958.98
  5. Step 5: Solve for x
    x = 5,711,376,958.98/74,635.40
  6. Step 6: Final answer
    x = 76,523.70

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