Finding the Fourth Proportional to 116,293.62, 160,502.77 and 70,998.02
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Solution
The fourth proportional to 116,293.62, 160,502.77 and 70,998.02 is: 97,987.99
Step by Step Solution
- Step 1: Write the proportion equation
116,293.62 : 160,502.77 = 70,998.02 : x - Step 2: Convert to fraction form
116,293.62/160,502.77 = 70,998.02/x - Step 3: Cross multiply
116,293.62x = 160,502.77 × 70,998.02 - Step 4: Simplify right side
116,293.62x = 11,395,378,363.27 - Step 5: Solve for x
x = 11,395,378,363.27/116,293.62 - Step 6: Final answer
x = 97,987.99
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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.