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Finding the Fourth Proportional to 172,835.19, 259,252.79 and 54,515.75

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Solution

The fourth proportional to 172,835.19, 259,252.79 and 54,515.75 is: 81,773.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,835.19 : 259,252.79 = 54,515.75 : x
  2. Step 2: Convert to fraction form
    172,835.19/259,252.79 = 54,515.75/x
  3. Step 3: Cross multiply
    172,835.19x = 259,252.79 × 54,515.75
  4. Step 4: Simplify right side
    172,835.19x = 14,133,360,662.00
  5. Step 5: Solve for x
    x = 14,133,360,662.00/172,835.19
  6. Step 6: Final answer
    x = 81,773.63

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