Finding the Fourth Proportional to 125,874.99, 173,724.08 and 75,577.23
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Solution
The fourth proportional to 125,874.99, 173,724.08 and 75,577.23 is: 104,306.54
Step by Step Solution
- Step 1: Write the proportion equation
125,874.99 : 173,724.08 = 75,577.23 : x - Step 2: Convert to fraction form
125,874.99/173,724.08 = 75,577.23/x - Step 3: Cross multiply
125,874.99x = 173,724.08 × 75,577.23 - Step 4: Simplify right side
125,874.99x = 13,129,584,372.81 - Step 5: Solve for x
x = 13,129,584,372.81/125,874.99 - Step 6: Final answer
x = 104,306.54
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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.