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Finding the Fourth Proportional to 116,413.80, 174,879.90 and 111,690.60

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Solution

The fourth proportional to 116,413.80, 174,879.90 and 111,690.60 is: 167,784.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,413.80 : 174,879.90 = 111,690.60 : x
  2. Step 2: Convert to fraction form
    116,413.80/174,879.90 = 111,690.60/x
  3. Step 3: Cross multiply
    116,413.80x = 174,879.90 × 111,690.60
  4. Step 4: Simplify right side
    116,413.80x = 19,532,440,958.94
  5. Step 5: Solve for x
    x = 19,532,440,958.94/116,413.80
  6. Step 6: Final answer
    x = 167,784.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.