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Finding the Fourth Proportional to 111,304.52, 166,982.70 and 36,428.36

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Solution

The fourth proportional to 111,304.52, 166,982.70 and 36,428.36 is: 54,651.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,304.52 : 166,982.70 = 36,428.36 : x
  2. Step 2: Convert to fraction form
    111,304.52/166,982.70 = 36,428.36/x
  3. Step 3: Cross multiply
    111,304.52x = 166,982.70 × 36,428.36
  4. Step 4: Simplify right side
    111,304.52x = 6,082,905,909.37
  5. Step 5: Solve for x
    x = 6,082,905,909.37/111,304.52
  6. Step 6: Final answer
    x = 54,651.02

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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.