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Finding the Fourth Proportional to 202,095.93, 303,060.49 and 68,986.92

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Solution

The fourth proportional to 202,095.93, 303,060.49 and 68,986.92 is: 103,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,095.93 : 303,060.49 = 68,986.92 : x
  2. Step 2: Convert to fraction form
    202,095.93/303,060.49 = 68,986.92/x
  3. Step 3: Cross multiply
    202,095.93x = 303,060.49 × 68,986.92
  4. Step 4: Simplify right side
    202,095.93x = 20,907,209,778.79
  5. Step 5: Solve for x
    x = 20,907,209,778.79/202,095.93
  6. Step 6: Final answer
    x = 103,451.91

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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.