Finding the Fourth Proportional to 225,982.08, 338,975.52 and 68,211.84
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Solution
The fourth proportional to 225,982.08, 338,975.52 and 68,211.84 is: 102,318.48
Step by Step Solution
- Step 1: Write the proportion equation
225,982.08 : 338,975.52 = 68,211.84 : x - Step 2: Convert to fraction form
225,982.08/338,975.52 = 68,211.84/x - Step 3: Cross multiply
225,982.08x = 338,975.52 × 68,211.84 - Step 4: Simplify right side
225,982.08x = 23,122,143,934.16 - Step 5: Solve for x
x = 23,122,143,934.16/225,982.08 - Step 6: Final answer
x = 102,318.48
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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.