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Finding the Fourth Proportional to 111,157.92, 166,768.02 and 44,644.74

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Solution

The fourth proportional to 111,157.92, 166,768.02 and 44,644.74 is: 66,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,157.92 : 166,768.02 = 44,644.74 : x
  2. Step 2: Convert to fraction form
    111,157.92/166,768.02 = 44,644.74/x
  3. Step 3: Cross multiply
    111,157.92x = 166,768.02 × 44,644.74
  4. Step 4: Simplify right side
    111,157.92x = 7,445,314,893.21
  5. Step 5: Solve for x
    x = 7,445,314,893.21/111,157.92
  6. Step 6: Final answer
    x = 66,979.62

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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.