Finding the Fourth Proportional to 312,177.11, 430,805.49 and 168,937.11
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Solution
The fourth proportional to 312,177.11, 430,805.49 and 168,937.11 is: 233,133.80
Step by Step Solution
- Step 1: Write the proportion equation
312,177.11 : 430,805.49 = 168,937.11 : x - Step 2: Convert to fraction form
312,177.11/430,805.49 = 168,937.11/x - Step 3: Cross multiply
312,177.11x = 430,805.49 × 168,937.11 - Step 4: Simplify right side
312,177.11x = 72,779,034,452.73 - Step 5: Solve for x
x = 72,779,034,452.73/312,177.11 - Step 6: Final answer
x = 233,133.80
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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.