Finding the Fourth Proportional to 125,515.80, 188,273.70 and 32,021.55
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Solution
The fourth proportional to 125,515.80, 188,273.70 and 32,021.55 is: 48,032.33
Step by Step Solution
- Step 1: Write the proportion equation
125,515.80 : 188,273.70 = 32,021.55 : x - Step 2: Convert to fraction form
125,515.80/188,273.70 = 32,021.55/x - Step 3: Cross multiply
125,515.80x = 188,273.70 × 32,021.55 - Step 4: Simplify right side
125,515.80x = 6,028,815,698.24 - Step 5: Solve for x
x = 6,028,815,698.24/125,515.80 - Step 6: Final answer
x = 48,032.33
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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.