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Finding the Fourth Proportional to 142,763.92, 197,005.92 and 79,097.92

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Solution

The fourth proportional to 142,763.92, 197,005.92 and 79,097.92 is: 109,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,763.92 : 197,005.92 = 79,097.92 : x
  2. Step 2: Convert to fraction form
    142,763.92/197,005.92 = 79,097.92/x
  3. Step 3: Cross multiply
    142,763.92x = 197,005.92 × 79,097.92
  4. Step 4: Simplify right side
    142,763.92x = 15,582,758,499.69
  5. Step 5: Solve for x
    x = 15,582,758,499.69/142,763.92
  6. Step 6: Final answer
    x = 109,150.54

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