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Finding the Fourth Proportional to 303,685.06, 419,088.52 and 167,722.41

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Solution

The fourth proportional to 303,685.06, 419,088.52 and 167,722.41 is: 231,458.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,685.06 : 419,088.52 = 167,722.41 : x
  2. Step 2: Convert to fraction form
    303,685.06/419,088.52 = 167,722.41/x
  3. Step 3: Cross multiply
    303,685.06x = 419,088.52 × 167,722.41
  4. Step 4: Simplify right side
    303,685.06x = 70,290,536,577.73
  5. Step 5: Solve for x
    x = 70,290,536,577.73/303,685.06
  6. Step 6: Final answer
    x = 231,458.66

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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.