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Finding the Fourth Proportional to 98,081.19, 146,936.18 and 57,980.12

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Solution

The fourth proportional to 98,081.19, 146,936.18 and 57,980.12 is: 86,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,081.19 : 146,936.18 = 57,980.12 : x
  2. Step 2: Convert to fraction form
    98,081.19/146,936.18 = 57,980.12/x
  3. Step 3: Cross multiply
    98,081.19x = 146,936.18 × 57,980.12
  4. Step 4: Simplify right side
    98,081.19x = 8,519,376,759.01
  5. Step 5: Solve for x
    x = 8,519,376,759.01/98,081.19
  6. Step 6: Final answer
    x = 86,860.45

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