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Finding the Fourth Proportional to 193,315.62, 289,854.32 and 66,926.46

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Solution

The fourth proportional to 193,315.62, 289,854.32 and 66,926.46 is: 100,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,315.62 : 289,854.32 = 66,926.46 : x
  2. Step 2: Convert to fraction form
    193,315.62/289,854.32 = 66,926.46/x
  3. Step 3: Cross multiply
    193,315.62x = 289,854.32 × 66,926.46
  4. Step 4: Simplify right side
    193,315.62x = 19,398,923,553.31
  5. Step 5: Solve for x
    x = 19,398,923,553.31/193,315.62
  6. Step 6: Final answer
    x = 100,348.45

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