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Finding the Fourth Proportional to 93,103.12, 128,485.20 and 50,664.52

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Solution

The fourth proportional to 93,103.12, 128,485.20 and 50,664.52 is: 69,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,103.12 : 128,485.20 = 50,664.52 : x
  2. Step 2: Convert to fraction form
    93,103.12/128,485.20 = 50,664.52/x
  3. Step 3: Cross multiply
    93,103.12x = 128,485.20 × 50,664.52
  4. Step 4: Simplify right side
    93,103.12x = 6,509,640,985.10
  5. Step 5: Solve for x
    x = 6,509,640,985.10/93,103.12
  6. Step 6: Final answer
    x = 69,918.61

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