Finding the Fourth Proportional to 115,956.33, 160,341.84 and 92,041.49
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Solution
The fourth proportional to 115,956.33, 160,341.84 and 92,041.49 is: 127,272.92
Step by Step Solution
- Step 1: Write the proportion equation
115,956.33 : 160,341.84 = 92,041.49 : x - Step 2: Convert to fraction form
115,956.33/160,341.84 = 92,041.49/x - Step 3: Cross multiply
115,956.33x = 160,341.84 × 92,041.49 - Step 4: Simplify right side
115,956.33x = 14,758,101,061.23 - Step 5: Solve for x
x = 14,758,101,061.23/115,956.33 - Step 6: Final answer
x = 127,272.92
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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.