Finding the Fourth Proportional to 117,763.26, 176,692.08 and 42,888.62
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Solution
The fourth proportional to 117,763.26, 176,692.08 and 42,888.62 is: 64,350.12
Step by Step Solution
- Step 1: Write the proportion equation
117,763.26 : 176,692.08 = 42,888.62 : x - Step 2: Convert to fraction form
117,763.26/176,692.08 = 42,888.62/x - Step 3: Cross multiply
117,763.26x = 176,692.08 × 42,888.62 - Step 4: Simplify right side
117,763.26x = 7,578,079,476.13 - Step 5: Solve for x
x = 7,578,079,476.13/117,763.26 - Step 6: Final answer
x = 64,350.12
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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.