Finding the Fourth Proportional to 133,566.24, 184,279.68 and 76,969.92
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Solution
The fourth proportional to 133,566.24, 184,279.68 and 76,969.92 is: 106,194.44
Step by Step Solution
- Step 1: Write the proportion equation
133,566.24 : 184,279.68 = 76,969.92 : x - Step 2: Convert to fraction form
133,566.24/184,279.68 = 76,969.92/x - Step 3: Cross multiply
133,566.24x = 184,279.68 × 76,969.92 - Step 4: Simplify right side
133,566.24x = 14,183,992,227.23 - Step 5: Solve for x
x = 14,183,992,227.23/133,566.24 - Step 6: Final answer
x = 106,194.44
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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.