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Finding the Fourth Proportional to 168,006.67, 251,922.50 and 79,236.34

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Solution

The fourth proportional to 168,006.67, 251,922.50 and 79,236.34 is: 118,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,006.67 : 251,922.50 = 79,236.34 : x
  2. Step 2: Convert to fraction form
    168,006.67/251,922.50 = 79,236.34/x
  3. Step 3: Cross multiply
    168,006.67x = 251,922.50 × 79,236.34
  4. Step 4: Simplify right side
    168,006.67x = 19,961,416,863.65
  5. Step 5: Solve for x
    x = 19,961,416,863.65/168,006.67
  6. Step 6: Final answer
    x = 118,813.24

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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.