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Finding the Fourth Proportional to 132,635.56, 198,953.36 and 43,865.24

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Solution

The fourth proportional to 132,635.56, 198,953.36 and 43,865.24 is: 65,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,635.56 : 198,953.36 = 43,865.24 : x
  2. Step 2: Convert to fraction form
    132,635.56/198,953.36 = 43,865.24/x
  3. Step 3: Cross multiply
    132,635.56x = 198,953.36 × 43,865.24
  4. Step 4: Simplify right side
    132,635.56x = 8,727,136,885.21
  5. Step 5: Solve for x
    x = 8,727,136,885.21/132,635.56
  6. Step 6: Final answer
    x = 65,797.87

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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.