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Finding the Fourth Proportional to 72,523.70, 108,782.82 and 19,931.82

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Solution

The fourth proportional to 72,523.70, 108,782.82 and 19,931.82 is: 29,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,523.70 : 108,782.82 = 19,931.82 : x
  2. Step 2: Convert to fraction form
    72,523.70/108,782.82 = 19,931.82/x
  3. Step 3: Cross multiply
    72,523.70x = 108,782.82 × 19,931.82
  4. Step 4: Simplify right side
    72,523.70x = 2,168,239,587.33
  5. Step 5: Solve for x
    x = 2,168,239,587.33/72,523.70
  6. Step 6: Final answer
    x = 29,896.98

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