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Finding the Fourth Proportional to 132,049.94, 198,093.74 and 43,310.39

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Solution

The fourth proportional to 132,049.94, 198,093.74 and 43,310.39 is: 64,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,049.94 : 198,093.74 = 43,310.39 : x
  2. Step 2: Convert to fraction form
    132,049.94/198,093.74 = 43,310.39/x
  3. Step 3: Cross multiply
    132,049.94x = 198,093.74 × 43,310.39
  4. Step 4: Simplify right side
    132,049.94x = 8,579,515,928.94
  5. Step 5: Solve for x
    x = 8,579,515,928.94/132,049.94
  6. Step 6: Final answer
    x = 64,971.75

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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.