Finding the Fourth Proportional to 167,662.68, 231,369.80 and 92,211.18
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Solution
The fourth proportional to 167,662.68, 231,369.80 and 92,211.18 is: 127,248.84
Step by Step Solution
- Step 1: Write the proportion equation
167,662.68 : 231,369.80 = 92,211.18 : x - Step 2: Convert to fraction form
167,662.68/231,369.80 = 92,211.18/x - Step 3: Cross multiply
167,662.68x = 231,369.80 × 92,211.18 - Step 4: Simplify right side
167,662.68x = 21,334,881,813.31 - Step 5: Solve for x
x = 21,334,881,813.31/167,662.68 - Step 6: Final answer
x = 127,248.84
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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.