Finding the Fourth Proportional to 125,746.96, 173,531.08 and 69,157.20
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Solution
The fourth proportional to 125,746.96, 173,531.08 and 69,157.20 is: 95,437.09
Step by Step Solution
- Step 1: Write the proportion equation
125,746.96 : 173,531.08 = 69,157.20 : x - Step 2: Convert to fraction form
125,746.96/173,531.08 = 69,157.20/x - Step 3: Cross multiply
125,746.96x = 173,531.08 × 69,157.20 - Step 4: Simplify right side
125,746.96x = 12,000,923,605.78 - Step 5: Solve for x
x = 12,000,923,605.78/125,746.96 - Step 6: Final answer
x = 95,437.09
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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.