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Finding the Fourth Proportional to 99,840.16, 149,710.16 and 33,256.88

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Solution

The fourth proportional to 99,840.16, 149,710.16 and 33,256.88 is: 49,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,840.16 : 149,710.16 = 33,256.88 : x
  2. Step 2: Convert to fraction form
    99,840.16/149,710.16 = 33,256.88/x
  3. Step 3: Cross multiply
    99,840.16x = 149,710.16 × 33,256.88
  4. Step 4: Simplify right side
    99,840.16x = 4,978,892,825.90
  5. Step 5: Solve for x
    x = 4,978,892,825.90/99,840.16
  6. Step 6: Final answer
    x = 49,868.64

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