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Finding the Fourth Proportional to 111,181.50, 166,789.53 and 37,326.78

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Solution

The fourth proportional to 111,181.50, 166,789.53 and 37,326.78 is: 55,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,181.50 : 166,789.53 = 37,326.78 : x
  2. Step 2: Convert to fraction form
    111,181.50/166,789.53 = 37,326.78/x
  3. Step 3: Cross multiply
    111,181.50x = 166,789.53 × 37,326.78
  4. Step 4: Simplify right side
    111,181.50x = 6,225,716,092.61
  5. Step 5: Solve for x
    x = 6,225,716,092.61/111,181.50
  6. Step 6: Final answer
    x = 55,995.97

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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.