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Finding the Fourth Proportional to 132,548.69, 198,846.72 and 43,865.84

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Solution

The fourth proportional to 132,548.69, 198,846.72 and 43,865.84 is: 65,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,548.69 : 198,846.72 = 43,865.84 : x
  2. Step 2: Convert to fraction form
    132,548.69/198,846.72 = 43,865.84/x
  3. Step 3: Cross multiply
    132,548.69x = 198,846.72 × 43,865.84
  4. Step 4: Simplify right side
    132,548.69x = 8,722,577,409.81
  5. Step 5: Solve for x
    x = 8,722,577,409.81/132,548.69
  6. Step 6: Final answer
    x = 65,806.59

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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.