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Finding the Fourth Proportional to 93,235.52, 128,665.86 and 54,995.96

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Solution

The fourth proportional to 93,235.52, 128,665.86 and 54,995.96 is: 75,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,235.52 : 128,665.86 = 54,995.96 : x
  2. Step 2: Convert to fraction form
    93,235.52/128,665.86 = 54,995.96/x
  3. Step 3: Cross multiply
    93,235.52x = 128,665.86 × 54,995.96
  4. Step 4: Simplify right side
    93,235.52x = 7,076,102,489.93
  5. Step 5: Solve for x
    x = 7,076,102,489.93/93,235.52
  6. Step 6: Final answer
    x = 75,894.92

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