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Finding the Fourth Proportional to 111,122.99, 166,667.56 and 36,243.02

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Solution

The fourth proportional to 111,122.99, 166,667.56 and 36,243.02 is: 54,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,122.99 : 166,667.56 = 36,243.02 : x
  2. Step 2: Convert to fraction form
    111,122.99/166,667.56 = 36,243.02/x
  3. Step 3: Cross multiply
    111,122.99x = 166,667.56 × 36,243.02
  4. Step 4: Simplify right side
    111,122.99x = 6,040,536,036.49
  5. Step 5: Solve for x
    x = 6,040,536,036.49/111,122.99
  6. Step 6: Final answer
    x = 54,359.01

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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.