Finding the Fourth Proportional to 126,765.99, 190,136.58 and 33,271.74
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Solution
The fourth proportional to 126,765.99, 190,136.58 and 33,271.74 is: 49,904.35
Step by Step Solution
- Step 1: Write the proportion equation
126,765.99 : 190,136.58 = 33,271.74 : x - Step 2: Convert to fraction form
126,765.99/190,136.58 = 33,271.74/x - Step 3: Cross multiply
126,765.99x = 190,136.58 × 33,271.74 - Step 4: Simplify right side
126,765.99x = 6,326,174,854.25 - Step 5: Solve for x
x = 6,326,174,854.25/126,765.99 - Step 6: Final answer
x = 49,904.35
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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.