Finding the Fourth Proportional to 133,708.75, 184,129.20 and 125,161.07
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Solution
The fourth proportional to 133,708.75, 184,129.20 and 125,161.07 is: 172,358.26
Step by Step Solution
- Step 1: Write the proportion equation
133,708.75 : 184,129.20 = 125,161.07 : x - Step 2: Convert to fraction form
133,708.75/184,129.20 = 125,161.07/x - Step 3: Cross multiply
133,708.75x = 184,129.20 × 125,161.07 - Step 4: Simplify right side
133,708.75x = 23,045,806,769.60 - Step 5: Solve for x
x = 23,045,806,769.60/133,708.75 - Step 6: Final answer
x = 172,358.26
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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.