Finding the Fourth Proportional to 111,437.94, 167,163.66 and 44,878.08
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Solution
The fourth proportional to 111,437.94, 167,163.66 and 44,878.08 is: 67,319.84
Step by Step Solution
- Step 1: Write the proportion equation
111,437.94 : 167,163.66 = 44,878.08 : x - Step 2: Convert to fraction form
111,437.94/167,163.66 = 44,878.08/x - Step 3: Cross multiply
111,437.94x = 167,163.66 × 44,878.08 - Step 4: Simplify right side
111,437.94x = 7,501,984,106.57 - Step 5: Solve for x
x = 7,501,984,106.57/111,437.94 - Step 6: Final answer
x = 67,319.84
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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.