Finding the Fourth Proportional to 176,613.42, 243,716.67 and 101,166.78
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Solution
The fourth proportional to 176,613.42, 243,716.67 and 101,166.78 is: 139,604.51
Step by Step Solution
- Step 1: Write the proportion equation
176,613.42 : 243,716.67 = 101,166.78 : x - Step 2: Convert to fraction form
176,613.42/243,716.67 = 101,166.78/x - Step 3: Cross multiply
176,613.42x = 243,716.67 × 101,166.78 - Step 4: Simplify right side
176,613.42x = 24,656,030,736.22 - Step 5: Solve for x
x = 24,656,030,736.22/176,613.42 - Step 6: Final answer
x = 139,604.51
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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.