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Finding the Fourth Proportional to 109,680.81, 164,416.12 and 46,413.91

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Solution

The fourth proportional to 109,680.81, 164,416.12 and 46,413.91 is: 69,576.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,680.81 : 164,416.12 = 46,413.91 : x
  2. Step 2: Convert to fraction form
    109,680.81/164,416.12 = 46,413.91/x
  3. Step 3: Cross multiply
    109,680.81x = 164,416.12 × 46,413.91
  4. Step 4: Simplify right side
    109,680.81x = 7,631,194,291.41
  5. Step 5: Solve for x
    x = 7,631,194,291.41/109,680.81
  6. Step 6: Final answer
    x = 69,576.38

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