Finding the Fourth Proportional to 169,683.12, 234,163.08 and 94,231.62
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Solution
The fourth proportional to 169,683.12, 234,163.08 and 94,231.62 is: 130,039.84
Step by Step Solution
- Step 1: Write the proportion equation
169,683.12 : 234,163.08 = 94,231.62 : x - Step 2: Convert to fraction form
169,683.12/234,163.08 = 94,231.62/x - Step 3: Cross multiply
169,683.12x = 234,163.08 × 94,231.62 - Step 4: Simplify right side
169,683.12x = 22,065,566,372.59 - Step 5: Solve for x
x = 22,065,566,372.59/169,683.12 - Step 6: Final answer
x = 130,039.84
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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.