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Finding the Fourth Proportional to 93,403.80, 128,897.46 and 53,116.56

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Solution

The fourth proportional to 93,403.80, 128,897.46 and 53,116.56 is: 73,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,403.80 : 128,897.46 = 53,116.56 : x
  2. Step 2: Convert to fraction form
    93,403.80/128,897.46 = 53,116.56/x
  3. Step 3: Cross multiply
    93,403.80x = 128,897.46 × 53,116.56
  4. Step 4: Simplify right side
    93,403.80x = 6,846,589,667.94
  5. Step 5: Solve for x
    x = 6,846,589,667.94/93,403.80
  6. Step 6: Final answer
    x = 73,300.98

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