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Finding the Fourth Proportional to 169,718.76, 254,579.49 and 51,399.36

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Solution

The fourth proportional to 169,718.76, 254,579.49 and 51,399.36 is: 77,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,718.76 : 254,579.49 = 51,399.36 : x
  2. Step 2: Convert to fraction form
    169,718.76/254,579.49 = 51,399.36/x
  3. Step 3: Cross multiply
    169,718.76x = 254,579.49 × 51,399.36
  4. Step 4: Simplify right side
    169,718.76x = 13,085,222,855.13
  5. Step 5: Solve for x
    x = 13,085,222,855.13/169,718.76
  6. Step 6: Final answer
    x = 77,099.45

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