Finding the Fourth Proportional to 132,842.84, 199,266.99 and 53,903.07
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Solution
The fourth proportional to 132,842.84, 199,266.99 and 53,903.07 is: 80,855.71
Step by Step Solution
- Step 1: Write the proportion equation
132,842.84 : 199,266.99 = 53,903.07 : x - Step 2: Convert to fraction form
132,842.84/199,266.99 = 53,903.07/x - Step 3: Cross multiply
132,842.84x = 199,266.99 × 53,903.07 - Step 4: Simplify right side
132,842.84x = 10,741,102,510.66 - Step 5: Solve for x
x = 10,741,102,510.66/132,842.84 - Step 6: Final answer
x = 80,855.71
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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.