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Finding the Fourth Proportional to 202,336.86, 303,520.14 and 58,236.78

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Solution

The fourth proportional to 202,336.86, 303,520.14 and 58,236.78 is: 87,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,336.86 : 303,520.14 = 58,236.78 : x
  2. Step 2: Convert to fraction form
    202,336.86/303,520.14 = 58,236.78/x
  3. Step 3: Cross multiply
    202,336.86x = 303,520.14 × 58,236.78
  4. Step 4: Simplify right side
    202,336.86x = 17,676,035,618.75
  5. Step 5: Solve for x
    x = 17,676,035,618.75/202,336.86
  6. Step 6: Final answer
    x = 87,359.44

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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.