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Finding the Fourth Proportional to 111,722.47, 167,359.32 and 51,666.77

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Solution

The fourth proportional to 111,722.47, 167,359.32 and 51,666.77 is: 77,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,722.47 : 167,359.32 = 51,666.77 : x
  2. Step 2: Convert to fraction form
    111,722.47/167,359.32 = 51,666.77/x
  3. Step 3: Cross multiply
    111,722.47x = 167,359.32 × 51,666.77
  4. Step 4: Simplify right side
    111,722.47x = 8,646,915,152.44
  5. Step 5: Solve for x
    x = 8,646,915,152.44/111,722.47
  6. Step 6: Final answer
    x = 77,396.38

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