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Finding the Fourth Proportional to 164,610.64, 246,729.30 and 75,680.56

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Solution

The fourth proportional to 164,610.64, 246,729.30 and 75,680.56 is: 113,435.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,610.64 : 246,729.30 = 75,680.56 : x
  2. Step 2: Convert to fraction form
    164,610.64/246,729.30 = 75,680.56/x
  3. Step 3: Cross multiply
    164,610.64x = 246,729.30 × 75,680.56
  4. Step 4: Simplify right side
    164,610.64x = 18,672,611,592.41
  5. Step 5: Solve for x
    x = 18,672,611,592.41/164,610.64
  6. Step 6: Final answer
    x = 113,435.02

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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.