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Finding the Fourth Proportional to 111,103.70, 166,676.27 and 44,549.03

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Solution

The fourth proportional to 111,103.70, 166,676.27 and 44,549.03 is: 66,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,103.70 : 166,676.27 = 44,549.03 : x
  2. Step 2: Convert to fraction form
    111,103.70/166,676.27 = 44,549.03/x
  3. Step 3: Cross multiply
    111,103.70x = 166,676.27 × 44,549.03
  4. Step 4: Simplify right side
    111,103.70x = 7,425,266,346.46
  5. Step 5: Solve for x
    x = 7,425,266,346.46/111,103.70
  6. Step 6: Final answer
    x = 66,831.86

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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.