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Finding the Fourth Proportional to 100,852.20, 151,019.10 and 74,413.80

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Solution

The fourth proportional to 100,852.20, 151,019.10 and 74,413.80 is: 111,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,852.20 : 151,019.10 = 74,413.80 : x
  2. Step 2: Convert to fraction form
    100,852.20/151,019.10 = 74,413.80/x
  3. Step 3: Cross multiply
    100,852.20x = 151,019.10 × 74,413.80
  4. Step 4: Simplify right side
    100,852.20x = 11,237,905,103.58
  5. Step 5: Solve for x
    x = 11,237,905,103.58/100,852.20
  6. Step 6: Final answer
    x = 111,429.45

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