Finding the Fourth Proportional to 168,222.18, 232,138.80 and 96,551.76
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Solution
The fourth proportional to 168,222.18, 232,138.80 and 96,551.76 is: 133,236.95
Step by Step Solution
- Step 1: Write the proportion equation
168,222.18 : 232,138.80 = 96,551.76 : x - Step 2: Convert to fraction form
168,222.18/232,138.80 = 96,551.76/x - Step 3: Cross multiply
168,222.18x = 232,138.80 × 96,551.76 - Step 4: Simplify right side
168,222.18x = 22,413,409,704.29 - Step 5: Solve for x
x = 22,413,409,704.29/168,222.18 - Step 6: Final answer
x = 133,236.95
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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.