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Finding the Fourth Proportional to 110,879.30, 166,316.51 and 47,741.42

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Solution

The fourth proportional to 110,879.30, 166,316.51 and 47,741.42 is: 71,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,879.30 : 166,316.51 = 47,741.42 : x
  2. Step 2: Convert to fraction form
    110,879.30/166,316.51 = 47,741.42/x
  3. Step 3: Cross multiply
    110,879.30x = 166,316.51 × 47,741.42
  4. Step 4: Simplify right side
    110,879.30x = 7,940,185,286.55
  5. Step 5: Solve for x
    x = 7,940,185,286.55/110,879.30
  6. Step 6: Final answer
    x = 71,611.07

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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.