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Finding the Fourth Proportional to 303,841.06, 419,298.20 and 167,874.58

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Solution

The fourth proportional to 303,841.06, 419,298.20 and 167,874.58 is: 231,665.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,841.06 : 419,298.20 = 167,874.58 : x
  2. Step 2: Convert to fraction form
    303,841.06/419,298.20 = 167,874.58/x
  3. Step 3: Cross multiply
    303,841.06x = 419,298.20 × 167,874.58
  4. Step 4: Simplify right side
    303,841.06x = 70,389,509,219.76
  5. Step 5: Solve for x
    x = 70,389,509,219.76/303,841.06
  6. Step 6: Final answer
    x = 231,665.56

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Why These Related Problems?

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