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Finding the Fourth Proportional to 132,549.74, 198,855.37 and 43,797.86

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Solution

The fourth proportional to 132,549.74, 198,855.37 and 43,797.86 is: 65,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,549.74 : 198,855.37 = 43,797.86 : x
  2. Step 2: Convert to fraction form
    132,549.74/198,855.37 = 43,797.86/x
  3. Step 3: Cross multiply
    132,549.74x = 198,855.37 × 43,797.86
  4. Step 4: Simplify right side
    132,549.74x = 8,709,438,551.74
  5. Step 5: Solve for x
    x = 8,709,438,551.74/132,549.74
  6. Step 6: Final answer
    x = 65,706.95

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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.