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Finding the Fourth Proportional to 202,656.88, 303,939.06 and 76,310.44

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Solution

The fourth proportional to 202,656.88, 303,939.06 and 76,310.44 is: 114,448.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,656.88 : 303,939.06 = 76,310.44 : x
  2. Step 2: Convert to fraction form
    202,656.88/303,939.06 = 76,310.44/x
  3. Step 3: Cross multiply
    202,656.88x = 303,939.06 × 76,310.44
  4. Step 4: Simplify right side
    202,656.88x = 23,193,723,401.79
  5. Step 5: Solve for x
    x = 23,193,723,401.79/202,656.88
  6. Step 6: Final answer
    x = 114,448.24

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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.