Finding the Fourth Proportional to 135,674.92, 187,230.18 and 76,058.92
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Solution
The fourth proportional to 135,674.92, 187,230.18 and 76,058.92 is: 104,960.63
Step by Step Solution
- Step 1: Write the proportion equation
135,674.92 : 187,230.18 = 76,058.92 : x - Step 2: Convert to fraction form
135,674.92/187,230.18 = 76,058.92/x - Step 3: Cross multiply
135,674.92x = 187,230.18 × 76,058.92 - Step 4: Simplify right side
135,674.92x = 14,240,525,282.21 - Step 5: Solve for x
x = 14,240,525,282.21/135,674.92 - Step 6: Final answer
x = 104,960.63
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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.