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Finding the Fourth Proportional to 202,407.75, 303,558.62 and 60,214.77

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Solution

The fourth proportional to 202,407.75, 303,558.62 and 60,214.77 is: 90,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,407.75 : 303,558.62 = 60,214.77 : x
  2. Step 2: Convert to fraction form
    202,407.75/303,558.62 = 60,214.77/x
  3. Step 3: Cross multiply
    202,407.75x = 303,558.62 × 60,214.77
  4. Step 4: Simplify right side
    202,407.75x = 18,278,712,183.74
  5. Step 5: Solve for x
    x = 18,278,712,183.74/202,407.75
  6. Step 6: Final answer
    x = 90,306.38

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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.