Finding the Fourth Proportional to 133,317.44, 199,986.79 and 44,571.41
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Solution
The fourth proportional to 133,317.44, 199,986.79 and 44,571.41 is: 66,860.66
Step by Step Solution
- Step 1: Write the proportion equation
133,317.44 : 199,986.79 = 44,571.41 : x - Step 2: Convert to fraction form
133,317.44/199,986.79 = 44,571.41/x - Step 3: Cross multiply
133,317.44x = 199,986.79 × 44,571.41 - Step 4: Simplify right side
133,317.44x = 8,913,692,100.31 - Step 5: Solve for x
x = 8,913,692,100.31/133,317.44 - Step 6: Final answer
x = 66,860.66
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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.