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Finding the Fourth Proportional to 260,893.14, 391,179.77 and 111,048.10

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Solution

The fourth proportional to 260,893.14, 391,179.77 and 111,048.10 is: 166,504.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,893.14 : 391,179.77 = 111,048.10 : x
  2. Step 2: Convert to fraction form
    260,893.14/391,179.77 = 111,048.10/x
  3. Step 3: Cross multiply
    260,893.14x = 391,179.77 × 111,048.10
  4. Step 4: Simplify right side
    260,893.14x = 43,439,770,216.94
  5. Step 5: Solve for x
    x = 43,439,770,216.94/260,893.14
  6. Step 6: Final answer
    x = 166,504.07

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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.