Finding the Fourth Proportional to 226,613.74, 312,734.58 and 124,647.08
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Solution
The fourth proportional to 226,613.74, 312,734.58 and 124,647.08 is: 172,017.16
Step by Step Solution
- Step 1: Write the proportion equation
226,613.74 : 312,734.58 = 124,647.08 : x - Step 2: Convert to fraction form
226,613.74/312,734.58 = 124,647.08/x - Step 3: Cross multiply
226,613.74x = 312,734.58 × 124,647.08 - Step 4: Simplify right side
226,613.74x = 38,981,452,212.03 - Step 5: Solve for x
x = 38,981,452,212.03/226,613.74 - Step 6: Final answer
x = 172,017.16
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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.