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Finding the Fourth Proportional to 111,157.76, 166,670.72 and 44,629.44

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Solution

The fourth proportional to 111,157.76, 166,670.72 and 44,629.44 is: 66,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,157.76 : 166,670.72 = 44,629.44 : x
  2. Step 2: Convert to fraction form
    111,157.76/166,670.72 = 44,629.44/x
  3. Step 3: Cross multiply
    111,157.76x = 166,670.72 × 44,629.44
  4. Step 4: Simplify right side
    111,157.76x = 7,438,420,898.00
  5. Step 5: Solve for x
    x = 7,438,420,898.00/111,157.76
  6. Step 6: Final answer
    x = 66,917.69

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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.