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Finding the Fourth Proportional to 110,672.90, 165,910.73 and 40,535.81

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Solution

The fourth proportional to 110,672.90, 165,910.73 and 40,535.81 is: 60,767.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,672.90 : 165,910.73 = 40,535.81 : x
  2. Step 2: Convert to fraction form
    110,672.90/165,910.73 = 40,535.81/x
  3. Step 3: Cross multiply
    110,672.90x = 165,910.73 × 40,535.81
  4. Step 4: Simplify right side
    110,672.90x = 6,725,324,796.01
  5. Step 5: Solve for x
    x = 6,725,324,796.01/110,672.90
  6. Step 6: Final answer
    x = 60,767.59

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1.5x scale

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.