Finding the Fourth Proportional to 283,782.84, 425,741.08 and 84,104.88
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Solution
The fourth proportional to 283,782.84, 425,741.08 and 84,104.88 is: 126,177.12
Step by Step Solution
- Step 1: Write the proportion equation
283,782.84 : 425,741.08 = 84,104.88 : x - Step 2: Convert to fraction form
283,782.84/425,741.08 = 84,104.88/x - Step 3: Cross multiply
283,782.84x = 425,741.08 × 84,104.88 - Step 4: Simplify right side
283,782.84x = 35,806,902,444.47 - Step 5: Solve for x
x = 35,806,902,444.47/283,782.84 - Step 6: Final answer
x = 126,177.12
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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.