Finding the Fourth Proportional to 132,964.19, 199,483.82 and 54,134.99
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Solution
The fourth proportional to 132,964.19, 199,483.82 and 54,134.99 is: 81,217.76
Step by Step Solution
- Step 1: Write the proportion equation
132,964.19 : 199,483.82 = 54,134.99 : x - Step 2: Convert to fraction form
132,964.19/199,483.82 = 54,134.99/x - Step 3: Cross multiply
132,964.19x = 199,483.82 × 54,134.99 - Step 4: Simplify right side
132,964.19x = 10,799,054,330.19 - Step 5: Solve for x
x = 10,799,054,330.19/132,964.19 - Step 6: Final answer
x = 81,217.76
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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.