Finding the Fourth Proportional to 168,475.74, 232,490.40 and 93,022.62
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Solution
The fourth proportional to 168,475.74, 232,490.40 and 93,022.62 is: 128,367.84
Step by Step Solution
- Step 1: Write the proportion equation
168,475.74 : 232,490.40 = 93,022.62 : x - Step 2: Convert to fraction form
168,475.74/232,490.40 = 93,022.62/x - Step 3: Cross multiply
168,475.74x = 232,490.40 × 93,022.62 - Step 4: Simplify right side
168,475.74x = 21,626,866,132.85 - Step 5: Solve for x
x = 21,626,866,132.85/168,475.74 - Step 6: Final answer
x = 128,367.84
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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.