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Finding the Fourth Proportional to 98,820, 148,245.36 and 33,171.36

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Solution

The fourth proportional to 98,820, 148,245.36 and 33,171.36 is: 49,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,820 : 148,245.36 = 33,171.36 : x
  2. Step 2: Convert to fraction form
    98,820/148,245.36 = 33,171.36/x
  3. Step 3: Cross multiply
    98,820x = 148,245.36 × 33,171.36
  4. Step 4: Simplify right side
    98,820x = 4,917,500,204.89
  5. Step 5: Solve for x
    x = 4,917,500,204.89/98,820
  6. Step 6: Final answer
    x = 49,762.20

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