Finding the Fourth Proportional to 125,962.44, 173,816.74 and 74,966.95
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Solution
The fourth proportional to 125,962.44, 173,816.74 and 74,966.95 is: 103,447.59
Step by Step Solution
- Step 1: Write the proportion equation
125,962.44 : 173,816.74 = 74,966.95 : x - Step 2: Convert to fraction form
125,962.44/173,816.74 = 74,966.95/x - Step 3: Cross multiply
125,962.44x = 173,816.74 × 74,966.95 - Step 4: Simplify right side
125,962.44x = 13,030,510,234.78 - Step 5: Solve for x
x = 13,030,510,234.78/125,962.44 - Step 6: Final answer
x = 103,447.59
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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.