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Finding the Fourth Proportional to 98,231.20, 147,347.80 and 53,833.76

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Solution

The fourth proportional to 98,231.20, 147,347.80 and 53,833.76 is: 80,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,231.20 : 147,347.80 = 53,833.76 : x
  2. Step 2: Convert to fraction form
    98,231.20/147,347.80 = 53,833.76/x
  3. Step 3: Cross multiply
    98,231.20x = 147,347.80 × 53,833.76
  4. Step 4: Simplify right side
    98,231.20x = 7,932,286,101.73
  5. Step 5: Solve for x
    x = 7,932,286,101.73/98,231.20
  6. Step 6: Final answer
    x = 80,751.19

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