Finding the Fourth Proportional to 161,677.48, 223,115.16 and 93,707.68
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Solution
The fourth proportional to 161,677.48, 223,115.16 and 93,707.68 is: 129,316.74
Step by Step Solution
- Step 1: Write the proportion equation
161,677.48 : 223,115.16 = 93,707.68 : x - Step 2: Convert to fraction form
161,677.48/223,115.16 = 93,707.68/x - Step 3: Cross multiply
161,677.48x = 223,115.16 × 93,707.68 - Step 4: Simplify right side
161,677.48x = 20,907,604,016.43 - Step 5: Solve for x
x = 20,907,604,016.43/161,677.48 - Step 6: Final answer
x = 129,316.74
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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.