Finding the Fourth Proportional to 164,041.12, 226,376.70 and 88,589.62
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Solution
The fourth proportional to 164,041.12, 226,376.70 and 88,589.62 is: 122,253.65
Step by Step Solution
- Step 1: Write the proportion equation
164,041.12 : 226,376.70 = 88,589.62 : x - Step 2: Convert to fraction form
164,041.12/226,376.70 = 88,589.62/x - Step 3: Cross multiply
164,041.12x = 226,376.70 × 88,589.62 - Step 4: Simplify right side
164,041.12x = 20,054,625,829.85 - Step 5: Solve for x
x = 20,054,625,829.85/164,041.12 - Step 6: Final answer
x = 122,253.65
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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.