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Finding the Fourth Proportional to 110,941.75, 166,193.56 and 73,388.22

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Solution

The fourth proportional to 110,941.75, 166,193.56 and 73,388.22 is: 109,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,941.75 : 166,193.56 = 73,388.22 : x
  2. Step 2: Convert to fraction form
    110,941.75/166,193.56 = 73,388.22/x
  3. Step 3: Cross multiply
    110,941.75x = 166,193.56 × 73,388.22
  4. Step 4: Simplify right side
    110,941.75x = 12,196,649,543.86
  5. Step 5: Solve for x
    x = 12,196,649,543.86/110,941.75
  6. Step 6: Final answer
    x = 109,937.42

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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.