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Finding the Fourth Proportional to 98,145.65, 135,441.65 and 55,704.89

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Solution

The fourth proportional to 98,145.65, 135,441.65 and 55,704.89 is: 76,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,145.65 : 135,441.65 = 55,704.89 : x
  2. Step 2: Convert to fraction form
    98,145.65/135,441.65 = 55,704.89/x
  3. Step 3: Cross multiply
    98,145.65x = 135,441.65 × 55,704.89
  4. Step 4: Simplify right side
    98,145.65x = 7,544,761,936.14
  5. Step 5: Solve for x
    x = 7,544,761,936.14/98,145.65
  6. Step 6: Final answer
    x = 76,873.12

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