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Finding the Fourth Proportional to 168,766.70, 253,150.05 and 149,083.70

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Solution

The fourth proportional to 168,766.70, 253,150.05 and 149,083.70 is: 223,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,766.70 : 253,150.05 = 149,083.70 : x
  2. Step 2: Convert to fraction form
    168,766.70/253,150.05 = 149,083.70/x
  3. Step 3: Cross multiply
    168,766.70x = 253,150.05 × 149,083.70
  4. Step 4: Simplify right side
    168,766.70x = 37,740,546,109.19
  5. Step 5: Solve for x
    x = 37,740,546,109.19/168,766.70
  6. Step 6: Final answer
    x = 223,625.55

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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.