Finding the Fourth Proportional to 166,479.99, 229,743.26 and 91,028.49
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Solution
The fourth proportional to 166,479.99, 229,743.26 and 91,028.49 is: 125,619.79
Step by Step Solution
- Step 1: Write the proportion equation
166,479.99 : 229,743.26 = 91,028.49 : x - Step 2: Convert to fraction form
166,479.99/229,743.26 = 91,028.49/x - Step 3: Cross multiply
166,479.99x = 229,743.26 × 91,028.49 - Step 4: Simplify right side
166,479.99x = 20,913,182,045.48 - Step 5: Solve for x
x = 20,913,182,045.48/166,479.99 - Step 6: Final answer
x = 125,619.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.