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Finding the Fourth Proportional to 202,601.50, 303,806.87 and 118,385.97

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Solution

The fourth proportional to 202,601.50, 303,806.87 and 118,385.97 is: 177,523.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,601.50 : 303,806.87 = 118,385.97 : x
  2. Step 2: Convert to fraction form
    202,601.50/303,806.87 = 118,385.97/x
  3. Step 3: Cross multiply
    202,601.50x = 303,806.87 × 118,385.97
  4. Step 4: Simplify right side
    202,601.50x = 35,966,470,997.61
  5. Step 5: Solve for x
    x = 35,966,470,997.61/202,601.50
  6. Step 6: Final answer
    x = 177,523.22

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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.