Finding the Fourth Proportional to 117,751.64, 176,633.55 and 38,871.99
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Solution
The fourth proportional to 117,751.64, 176,633.55 and 38,871.99 is: 58,310.00
Step by Step Solution
- Step 1: Write the proportion equation
117,751.64 : 176,633.55 = 38,871.99 : x - Step 2: Convert to fraction form
117,751.64/176,633.55 = 38,871.99/x - Step 3: Cross multiply
117,751.64x = 176,633.55 × 38,871.99 - Step 4: Simplify right side
117,751.64x = 6,866,097,589.26 - Step 5: Solve for x
x = 6,866,097,589.26/117,751.64 - Step 6: Final answer
x = 58,310.00
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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.