Finding the Fourth Proportional to 126,806.44, 174,962.84 and 75,097.43
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Solution
The fourth proportional to 126,806.44, 174,962.84 and 75,097.43 is: 103,616.65
Step by Step Solution
- Step 1: Write the proportion equation
126,806.44 : 174,962.84 = 75,097.43 : x - Step 2: Convert to fraction form
126,806.44/174,962.84 = 75,097.43/x - Step 3: Cross multiply
126,806.44x = 174,962.84 × 75,097.43 - Step 4: Simplify right side
126,806.44x = 13,139,258,379.20 - Step 5: Solve for x
x = 13,139,258,379.20/126,806.44 - Step 6: Final answer
x = 103,616.65
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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.