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Finding the Fourth Proportional to 131,885.84, 197,958.36 and 96,725.36

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Solution

The fourth proportional to 131,885.84, 197,958.36 and 96,725.36 is: 145,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,885.84 : 197,958.36 = 96,725.36 : x
  2. Step 2: Convert to fraction form
    131,885.84/197,958.36 = 96,725.36/x
  3. Step 3: Cross multiply
    131,885.84x = 197,958.36 × 96,725.36
  4. Step 4: Simplify right side
    131,885.84x = 19,147,593,636.01
  5. Step 5: Solve for x
    x = 19,147,593,636.01/131,885.84
  6. Step 6: Final answer
    x = 145,183.09

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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.