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Finding the Fourth Proportional to 303,938.33, 419,443.31 and 167,981.04

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Solution

The fourth proportional to 303,938.33, 419,443.31 and 167,981.04 is: 231,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,938.33 : 419,443.31 = 167,981.04 : x
  2. Step 2: Convert to fraction form
    303,938.33/419,443.31 = 167,981.04/x
  3. Step 3: Cross multiply
    303,938.33x = 419,443.31 × 167,981.04
  4. Step 4: Simplify right side
    303,938.33x = 70,458,523,854.80
  5. Step 5: Solve for x
    x = 70,458,523,854.80/303,938.33
  6. Step 6: Final answer
    x = 231,818.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.