Finding the Fourth Proportional to 369,546.05, 554,402.16 and 132,888.75
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Solution
The fourth proportional to 369,546.05, 554,402.16 and 132,888.75 is: 199,363.01
Step by Step Solution
- Step 1: Write the proportion equation
369,546.05 : 554,402.16 = 132,888.75 : x - Step 2: Convert to fraction form
369,546.05/554,402.16 = 132,888.75/x - Step 3: Cross multiply
369,546.05x = 554,402.16 × 132,888.75 - Step 4: Simplify right side
369,546.05x = 73,673,810,039.70 - Step 5: Solve for x
x = 73,673,810,039.70/369,546.05 - Step 6: Final answer
x = 199,363.01
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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.