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Finding the Fourth Proportional to 129,956.37, 194,941.44 and 36,469.41

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Solution

The fourth proportional to 129,956.37, 194,941.44 and 36,469.41 is: 54,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,956.37 : 194,941.44 = 36,469.41 : x
  2. Step 2: Convert to fraction form
    129,956.37/194,941.44 = 36,469.41/x
  3. Step 3: Cross multiply
    129,956.37x = 194,941.44 × 36,469.41
  4. Step 4: Simplify right side
    129,956.37x = 7,109,399,301.35
  5. Step 5: Solve for x
    x = 7,109,399,301.35/129,956.37
  6. Step 6: Final answer
    x = 54,706.05

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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.