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Finding the Fourth Proportional to 110,493.54, 165,768.12 and 43,911.54

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Solution

The fourth proportional to 110,493.54, 165,768.12 and 43,911.54 is: 65,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,493.54 : 165,768.12 = 43,911.54 : x
  2. Step 2: Convert to fraction form
    110,493.54/165,768.12 = 43,911.54/x
  3. Step 3: Cross multiply
    110,493.54x = 165,768.12 × 43,911.54
  4. Step 4: Simplify right side
    110,493.54x = 7,279,133,432.10
  5. Step 5: Solve for x
    x = 7,279,133,432.10/110,493.54
  6. Step 6: Final answer
    x = 65,878.36

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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.