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Finding the Fourth Proportional to 179,806.94, 268,343.19 and 159,878.42

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Solution

The fourth proportional to 179,806.94, 268,343.19 and 159,878.42 is: 238,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,806.94 : 268,343.19 = 159,878.42 : x
  2. Step 2: Convert to fraction form
    179,806.94/268,343.19 = 159,878.42/x
  3. Step 3: Cross multiply
    179,806.94x = 268,343.19 × 159,878.42
  4. Step 4: Simplify right side
    179,806.94x = 42,902,285,234.96
  5. Step 5: Solve for x
    x = 42,902,285,234.96/179,806.94
  6. Step 6: Final answer
    x = 238,601.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.