Finding the Fourth Proportional to 170,988.98, 256,498.04 and 44,645.99
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Solution
The fourth proportional to 170,988.98, 256,498.04 and 44,645.99 is: 66,972.78
Step by Step Solution
- Step 1: Write the proportion equation
170,988.98 : 256,498.04 = 44,645.99 : x - Step 2: Convert to fraction form
170,988.98/256,498.04 = 44,645.99/x - Step 3: Cross multiply
170,988.98x = 256,498.04 × 44,645.99 - Step 4: Simplify right side
170,988.98x = 11,451,607,757.98 - Step 5: Solve for x
x = 11,451,607,757.98/170,988.98 - Step 6: Final answer
x = 66,972.78
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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.