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Finding the Fourth Proportional to 202,216.40, 303,324.60 and 69,064.55

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Solution

The fourth proportional to 202,216.40, 303,324.60 and 69,064.55 is: 103,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,216.40 : 303,324.60 = 69,064.55 : x
  2. Step 2: Convert to fraction form
    202,216.40/303,324.60 = 69,064.55/x
  3. Step 3: Cross multiply
    202,216.40x = 303,324.60 × 69,064.55
  4. Step 4: Simplify right side
    202,216.40x = 20,948,977,002.93
  5. Step 5: Solve for x
    x = 20,948,977,002.93/202,216.40
  6. Step 6: Final answer
    x = 103,596.83

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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.