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Finding the Fourth Proportional to 171,707.68, 257,560.26 and 53,378.80

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Solution

The fourth proportional to 171,707.68, 257,560.26 and 53,378.80 is: 80,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,707.68 : 257,560.26 = 53,378.80 : x
  2. Step 2: Convert to fraction form
    171,707.68/257,560.26 = 53,378.80/x
  3. Step 3: Cross multiply
    171,707.68x = 257,560.26 × 53,378.80
  4. Step 4: Simplify right side
    171,707.68x = 13,748,257,606.49
  5. Step 5: Solve for x
    x = 13,748,257,606.49/171,707.68
  6. Step 6: Final answer
    x = 80,067.81

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