Finding the Fourth Proportional to 157,296.03, 217,115.96 and 107,024.19
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Solution
The fourth proportional to 157,296.03, 217,115.96 and 107,024.19 is: 147,725.66
Step by Step Solution
- Step 1: Write the proportion equation
157,296.03 : 217,115.96 = 107,024.19 : x - Step 2: Convert to fraction form
157,296.03/217,115.96 = 107,024.19/x - Step 3: Cross multiply
157,296.03x = 217,115.96 × 107,024.19 - Step 4: Simplify right side
157,296.03x = 23,236,659,219.95 - Step 5: Solve for x
x = 23,236,659,219.95/157,296.03 - Step 6: Final answer
x = 147,725.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.