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Finding the Fourth Proportional to 111,103.08, 166,655.70 and 27,997.08

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Solution

The fourth proportional to 111,103.08, 166,655.70 and 27,997.08 is: 41,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,103.08 : 166,655.70 = 27,997.08 : x
  2. Step 2: Convert to fraction form
    111,103.08/166,655.70 = 27,997.08/x
  3. Step 3: Cross multiply
    111,103.08x = 166,655.70 × 27,997.08
  4. Step 4: Simplify right side
    111,103.08x = 4,665,872,965.36
  5. Step 5: Solve for x
    x = 4,665,872,965.36/111,103.08
  6. Step 6: Final answer
    x = 41,995.89

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1.5x scale

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.