Finding the Fourth Proportional to 117,593.66, 162,282.26 and 63,881.75
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Solution
The fourth proportional to 117,593.66, 162,282.26 and 63,881.75 is: 88,158.45
Step by Step Solution
- Step 1: Write the proportion equation
117,593.66 : 162,282.26 = 63,881.75 : x - Step 2: Convert to fraction form
117,593.66/162,282.26 = 63,881.75/x - Step 3: Cross multiply
117,593.66x = 162,282.26 × 63,881.75 - Step 4: Simplify right side
117,593.66x = 10,366,874,762.76 - Step 5: Solve for x
x = 10,366,874,762.76/117,593.66 - Step 6: Final answer
x = 88,158.45
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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.