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Finding the Fourth Proportional to 396,018.99, 593,831.96 and 126,111.95

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Solution

The fourth proportional to 396,018.99, 593,831.96 and 126,111.95 is: 189,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,018.99 : 593,831.96 = 126,111.95 : x
  2. Step 2: Convert to fraction form
    396,018.99/593,831.96 = 126,111.95/x
  3. Step 3: Cross multiply
    396,018.99x = 593,831.96 × 126,111.95
  4. Step 4: Simplify right side
    396,018.99x = 74,889,305,547.99
  5. Step 5: Solve for x
    x = 74,889,305,547.99/396,018.99
  6. Step 6: Final answer
    x = 189,105.34

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