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Finding the Fourth Proportional to 202,538.92, 279,502.40 and 111,900.76

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Solution

The fourth proportional to 202,538.92, 279,502.40 and 111,900.76 is: 154,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,538.92 : 279,502.40 = 111,900.76 : x
  2. Step 2: Convert to fraction form
    202,538.92/279,502.40 = 111,900.76/x
  3. Step 3: Cross multiply
    202,538.92x = 279,502.40 × 111,900.76
  4. Step 4: Simplify right side
    202,538.92x = 31,276,530,981.82
  5. Step 5: Solve for x
    x = 31,276,530,981.82/202,538.92
  6. Step 6: Final answer
    x = 154,422.33

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