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Finding the Fourth Proportional to 111,270.72, 166,927.02 and 44,716.20

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Solution

The fourth proportional to 111,270.72, 166,927.02 and 44,716.20 is: 67,082.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,270.72 : 166,927.02 = 44,716.20 : x
  2. Step 2: Convert to fraction form
    111,270.72/166,927.02 = 44,716.20/x
  3. Step 3: Cross multiply
    111,270.72x = 166,927.02 × 44,716.20
  4. Step 4: Simplify right side
    111,270.72x = 7,464,342,011.72
  5. Step 5: Solve for x
    x = 7,464,342,011.72/111,270.72
  6. Step 6: Final answer
    x = 67,082.72

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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.