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Finding the Fourth Proportional to 178,951.81, 268,230.87 and 73,713.37

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Solution

The fourth proportional to 178,951.81, 268,230.87 and 73,713.37 is: 110,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,951.81 : 268,230.87 = 73,713.37 : x
  2. Step 2: Convert to fraction form
    178,951.81/268,230.87 = 73,713.37/x
  3. Step 3: Cross multiply
    178,951.81x = 268,230.87 × 73,713.37
  4. Step 4: Simplify right side
    178,951.81x = 19,772,201,365.73
  5. Step 5: Solve for x
    x = 19,772,201,365.73/178,951.81
  6. Step 6: Final answer
    x = 110,488.97

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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.