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Finding the Fourth Proportional to 70,291.04, 105,433.20 and 50,604.64

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Solution

The fourth proportional to 70,291.04, 105,433.20 and 50,604.64 is: 75,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,291.04 : 105,433.20 = 50,604.64 : x
  2. Step 2: Convert to fraction form
    70,291.04/105,433.20 = 50,604.64/x
  3. Step 3: Cross multiply
    70,291.04x = 105,433.20 × 50,604.64
  4. Step 4: Simplify right side
    70,291.04x = 5,335,409,130.05
  5. Step 5: Solve for x
    x = 5,335,409,130.05/70,291.04
  6. Step 6: Final answer
    x = 75,904.54

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