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Finding the Fourth Proportional to 111,057.52, 166,586.14 and 36,177.54

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Solution

The fourth proportional to 111,057.52, 166,586.14 and 36,177.54 is: 54,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,057.52 : 166,586.14 = 36,177.54 : x
  2. Step 2: Convert to fraction form
    111,057.52/166,586.14 = 36,177.54/x
  3. Step 3: Cross multiply
    111,057.52x = 166,586.14 × 36,177.54
  4. Step 4: Simplify right side
    111,057.52x = 6,026,676,743.30
  5. Step 5: Solve for x
    x = 6,026,676,743.30/111,057.52
  6. Step 6: Final answer
    x = 54,266.27

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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.