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Finding the Fourth Proportional to 98,940.64, 136,552.08 and 61,227.04

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Solution

The fourth proportional to 98,940.64, 136,552.08 and 61,227.04 is: 84,501.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,940.64 : 136,552.08 = 61,227.04 : x
  2. Step 2: Convert to fraction form
    98,940.64/136,552.08 = 61,227.04/x
  3. Step 3: Cross multiply
    98,940.64x = 136,552.08 × 61,227.04
  4. Step 4: Simplify right side
    98,940.64x = 8,360,679,664.24
  5. Step 5: Solve for x
    x = 8,360,679,664.24/98,940.64
  6. Step 6: Final answer
    x = 84,501.98

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