Finding the Fourth Proportional to 118,574.19, 177,861.50 and 29,827.09
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Solution
The fourth proportional to 118,574.19, 177,861.50 and 29,827.09 is: 44,740.69
Step by Step Solution
- Step 1: Write the proportion equation
118,574.19 : 177,861.50 = 29,827.09 : x - Step 2: Convert to fraction form
118,574.19/177,861.50 = 29,827.09/x - Step 3: Cross multiply
118,574.19x = 177,861.50 × 29,827.09 - Step 4: Simplify right side
118,574.19x = 5,305,090,597.95 - Step 5: Solve for x
x = 5,305,090,597.95/118,574.19 - Step 6: Final answer
x = 44,740.69
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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.