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Finding the Fourth Proportional to 197,678.94, 272,816.49 and 112,808.76

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Solution

The fourth proportional to 197,678.94, 272,816.49 and 112,808.76 is: 155,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,678.94 : 272,816.49 = 112,808.76 : x
  2. Step 2: Convert to fraction form
    197,678.94/272,816.49 = 112,808.76/x
  3. Step 3: Cross multiply
    197,678.94x = 272,816.49 × 112,808.76
  4. Step 4: Simplify right side
    197,678.94x = 30,776,089,944.45
  5. Step 5: Solve for x
    x = 30,776,089,944.45/197,678.94
  6. Step 6: Final answer
    x = 155,687.25

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