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Finding the Fourth Proportional to 207,609.03, 311,413.73 and 148,560.03

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Solution

The fourth proportional to 207,609.03, 311,413.73 and 148,560.03 is: 222,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,609.03 : 311,413.73 = 148,560.03 : x
  2. Step 2: Convert to fraction form
    207,609.03/311,413.73 = 148,560.03/x
  3. Step 3: Cross multiply
    207,609.03x = 311,413.73 × 148,560.03
  4. Step 4: Simplify right side
    207,609.03x = 46,263,632,328.41
  5. Step 5: Solve for x
    x = 46,263,632,328.41/207,609.03
  6. Step 6: Final answer
    x = 222,840.17

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Why These Related Problems?

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