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Finding the Fourth Proportional to 166,996.93, 250,491.72 and 40,638.01

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Solution

The fourth proportional to 166,996.93, 250,491.72 and 40,638.01 is: 60,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,996.93 : 250,491.72 = 40,638.01 : x
  2. Step 2: Convert to fraction form
    166,996.93/250,491.72 = 40,638.01/x
  3. Step 3: Cross multiply
    166,996.93x = 250,491.72 × 40,638.01
  4. Step 4: Simplify right side
    166,996.93x = 10,179,485,022.28
  5. Step 5: Solve for x
    x = 10,179,485,022.28/166,996.93
  6. Step 6: Final answer
    x = 60,956.12

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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.