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Finding the Fourth Proportional to 98,871.57, 136,442.09 and 53,548.52

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Solution

The fourth proportional to 98,871.57, 136,442.09 and 53,548.52 is: 73,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,871.57 : 136,442.09 = 53,548.52 : x
  2. Step 2: Convert to fraction form
    98,871.57/136,442.09 = 53,548.52/x
  3. Step 3: Cross multiply
    98,871.57x = 136,442.09 × 53,548.52
  4. Step 4: Simplify right side
    98,871.57x = 7,306,271,035.25
  5. Step 5: Solve for x
    x = 7,306,271,035.25/98,871.57
  6. Step 6: Final answer
    x = 73,896.58

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