Finding the Fourth Proportional to 581,919.26, 872,878.82 and 161,195.13
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Solution
The fourth proportional to 581,919.26, 872,878.82 and 161,195.13 is: 241,792.68
Step by Step Solution
- Step 1: Write the proportion equation
581,919.26 : 872,878.82 = 161,195.13 : x - Step 2: Convert to fraction form
581,919.26/872,878.82 = 161,195.13/x - Step 3: Cross multiply
581,919.26x = 872,878.82 × 161,195.13 - Step 4: Simplify right side
581,919.26x = 140,703,814,058.17 - Step 5: Solve for x
x = 140,703,814,058.17/581,919.26 - Step 6: Final answer
x = 241,792.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.