Finding the Fourth Proportional to 226,591.68, 312,694.08 and 124,615.44
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Solution
The fourth proportional to 226,591.68, 312,694.08 and 124,615.44 is: 171,967.97
Step by Step Solution
- Step 1: Write the proportion equation
226,591.68 : 312,694.08 = 124,615.44 : x - Step 2: Convert to fraction form
226,591.68/312,694.08 = 124,615.44/x - Step 3: Cross multiply
226,591.68x = 312,694.08 × 124,615.44 - Step 4: Simplify right side
226,591.68x = 38,966,510,364.60 - Step 5: Solve for x
x = 38,966,510,364.60/226,591.68 - Step 6: Final answer
x = 171,967.97
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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.