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Finding the Fourth Proportional to 179,951.10, 270,019.80 and 73,413.15

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Solution

The fourth proportional to 179,951.10, 270,019.80 and 73,413.15 is: 110,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,951.10 : 270,019.80 = 73,413.15 : x
  2. Step 2: Convert to fraction form
    179,951.10/270,019.80 = 73,413.15/x
  3. Step 3: Cross multiply
    179,951.10x = 270,019.80 × 73,413.15
  4. Step 4: Simplify right side
    179,951.10x = 19,823,004,080.37
  5. Step 5: Solve for x
    x = 19,823,004,080.37/179,951.10
  6. Step 6: Final answer
    x = 110,157.73

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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.