Finding the Fourth Proportional to 111,696.12, 167,598.84 and 52,537.74
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Solution
The fourth proportional to 111,696.12, 167,598.84 and 52,537.74 is: 78,832.32
Step by Step Solution
- Step 1: Write the proportion equation
111,696.12 : 167,598.84 = 52,537.74 : x - Step 2: Convert to fraction form
111,696.12/167,598.84 = 52,537.74/x - Step 3: Cross multiply
111,696.12x = 167,598.84 × 52,537.74 - Step 4: Simplify right side
111,696.12x = 8,805,264,280.22 - Step 5: Solve for x
x = 8,805,264,280.22/111,696.12 - Step 6: Final answer
x = 78,832.32
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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.