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Finding the Fourth Proportional to 73,586.78, 110,369.80 and 23,660.54

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Solution

The fourth proportional to 73,586.78, 110,369.80 and 23,660.54 is: 35,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,586.78 : 110,369.80 = 23,660.54 : x
  2. Step 2: Convert to fraction form
    73,586.78/110,369.80 = 23,660.54/x
  3. Step 3: Cross multiply
    73,586.78x = 110,369.80 × 23,660.54
  4. Step 4: Simplify right side
    73,586.78x = 2,611,409,067.69
  5. Step 5: Solve for x
    x = 2,611,409,067.69/73,586.78
  6. Step 6: Final answer
    x = 35,487.48

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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.