Finding the Fourth Proportional to 178,387.23, 267,055.97 and 119,075.79
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Solution
The fourth proportional to 178,387.23, 267,055.97 and 119,075.79 is: 178,263.33
Step by Step Solution
- Step 1: Write the proportion equation
178,387.23 : 267,055.97 = 119,075.79 : x - Step 2: Convert to fraction form
178,387.23/267,055.97 = 119,075.79/x - Step 3: Cross multiply
178,387.23x = 267,055.97 × 119,075.79 - Step 4: Simplify right side
178,387.23x = 31,799,901,677.85 - Step 5: Solve for x
x = 31,799,901,677.85/178,387.23 - Step 6: Final answer
x = 178,263.33
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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.