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Finding the Fourth Proportional to 202,271.08, 303,413.10 and 69,145.96

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Solution

The fourth proportional to 202,271.08, 303,413.10 and 69,145.96 is: 103,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,271.08 : 303,413.10 = 69,145.96 : x
  2. Step 2: Convert to fraction form
    202,271.08/303,413.10 = 69,145.96/x
  3. Step 3: Cross multiply
    202,271.08x = 303,413.10 × 69,145.96
  4. Step 4: Simplify right side
    202,271.08x = 20,979,790,076.08
  5. Step 5: Solve for x
    x = 20,979,790,076.08/202,271.08
  6. Step 6: Final answer
    x = 103,721.16

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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.