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Finding the Fourth Proportional to 202,347.20, 303,605.85 and 108,743.60

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Solution

The fourth proportional to 202,347.20, 303,605.85 and 108,743.60 is: 163,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,347.20 : 303,605.85 = 108,743.60 : x
  2. Step 2: Convert to fraction form
    202,347.20/303,605.85 = 108,743.60/x
  3. Step 3: Cross multiply
    202,347.20x = 303,605.85 × 108,743.60
  4. Step 4: Simplify right side
    202,347.20x = 33,015,193,110.06
  5. Step 5: Solve for x
    x = 33,015,193,110.06/202,347.20
  6. Step 6: Final answer
    x = 163,161.11

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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.