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Finding the Fourth Proportional to 259,857, 358,602.84 and 140,625

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Solution

The fourth proportional to 259,857, 358,602.84 and 140,625 is: 194,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,857 : 358,602.84 = 140,625 : x
  2. Step 2: Convert to fraction form
    259,857/358,602.84 = 140,625/x
  3. Step 3: Cross multiply
    259,857x = 358,602.84 × 140,625
  4. Step 4: Simplify right side
    259,857x = 50,428,524,375
  5. Step 5: Solve for x
    x = 50,428,524,375/259,857
  6. Step 6: Final answer
    x = 194,062.60

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