Finding the Fourth Proportional to 125,752.73, 173,420.12 and 82,656.07
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Solution
The fourth proportional to 125,752.73, 173,420.12 and 82,656.07 is: 113,987.39
Step by Step Solution
- Step 1: Write the proportion equation
125,752.73 : 173,420.12 = 82,656.07 : x - Step 2: Convert to fraction form
125,752.73/173,420.12 = 82,656.07/x - Step 3: Cross multiply
125,752.73x = 173,420.12 × 82,656.07 - Step 4: Simplify right side
125,752.73x = 14,334,225,351.22 - Step 5: Solve for x
x = 14,334,225,351.22/125,752.73 - Step 6: Final answer
x = 113,987.39
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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.