Finding the Fourth Proportional to 117,668.24, 176,640.60 and 73,396.88
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Solution
The fourth proportional to 117,668.24, 176,640.60 and 73,396.88 is: 110,181.55
Step by Step Solution
- Step 1: Write the proportion equation
117,668.24 : 176,640.60 = 73,396.88 : x - Step 2: Convert to fraction form
117,668.24/176,640.60 = 73,396.88/x - Step 3: Cross multiply
117,668.24x = 176,640.60 × 73,396.88 - Step 4: Simplify right side
117,668.24x = 12,964,868,921.33 - Step 5: Solve for x
x = 12,964,868,921.33/117,668.24 - Step 6: Final answer
x = 110,181.55
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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.