Finding the Fourth Proportional to 105,577.36, 158,376.09 and 29,675.70
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Solution
The fourth proportional to 105,577.36, 158,376.09 and 29,675.70 is: 44,516.38
Step by Step Solution
- Step 1: Write the proportion equation
105,577.36 : 158,376.09 = 29,675.70 : x - Step 2: Convert to fraction form
105,577.36/158,376.09 = 29,675.70/x - Step 3: Cross multiply
105,577.36x = 158,376.09 × 29,675.70 - Step 4: Simplify right side
105,577.36x = 4,699,921,278.37 - Step 5: Solve for x
x = 4,699,921,278.37/105,577.36 - Step 6: Final answer
x = 44,516.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.