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Finding the Fourth Proportional to 110,383.44, 165,426.12 and 79,149.84

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Solution

The fourth proportional to 110,383.44, 165,426.12 and 79,149.84 is: 118,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,383.44 : 165,426.12 = 79,149.84 : x
  2. Step 2: Convert to fraction form
    110,383.44/165,426.12 = 79,149.84/x
  3. Step 3: Cross multiply
    110,383.44x = 165,426.12 × 79,149.84
  4. Step 4: Simplify right side
    110,383.44x = 13,093,450,929.82
  5. Step 5: Solve for x
    x = 13,093,450,929.82/110,383.44
  6. Step 6: Final answer
    x = 118,617.89

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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.