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Finding the Fourth Proportional to 264,821.76, 397,232.82 and 77,964.48

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Solution

The fourth proportional to 264,821.76, 397,232.82 and 77,964.48 is: 116,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,821.76 : 397,232.82 = 77,964.48 : x
  2. Step 2: Convert to fraction form
    264,821.76/397,232.82 = 77,964.48/x
  3. Step 3: Cross multiply
    264,821.76x = 397,232.82 × 77,964.48
  4. Step 4: Simplify right side
    264,821.76x = 30,970,050,250.23
  5. Step 5: Solve for x
    x = 30,970,050,250.23/264,821.76
  6. Step 6: Final answer
    x = 116,946.77

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