Finding the Fourth Proportional to 173,356.80, 239,072.30 and 133,072.26
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Solution
The fourth proportional to 173,356.80, 239,072.30 and 133,072.26 is: 183,516.84
Step by Step Solution
- Step 1: Write the proportion equation
173,356.80 : 239,072.30 = 133,072.26 : x - Step 2: Convert to fraction form
173,356.80/239,072.30 = 133,072.26/x - Step 3: Cross multiply
173,356.80x = 239,072.30 × 133,072.26 - Step 4: Simplify right side
173,356.80x = 31,813,891,264.40 - Step 5: Solve for x
x = 31,813,891,264.40/173,356.80 - Step 6: Final answer
x = 183,516.84
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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.