Finding the Fourth Proportional to 226,633.74, 312,748.03 and 124,659.19
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Solution
The fourth proportional to 226,633.74, 312,748.03 and 124,659.19 is: 172,026.09
Step by Step Solution
- Step 1: Write the proportion equation
226,633.74 : 312,748.03 = 124,659.19 : x - Step 2: Convert to fraction form
226,633.74/312,748.03 = 124,659.19/x - Step 3: Cross multiply
226,633.74x = 312,748.03 × 124,659.19 - Step 4: Simplify right side
226,633.74x = 38,986,915,470.60 - Step 5: Solve for x
x = 38,986,915,470.60/226,633.74 - Step 6: Final answer
x = 172,026.09
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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.