Finding the Fourth Proportional to 125,533.94, 173,266.70 and 71,849.93
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Solution
The fourth proportional to 125,533.94, 173,266.70 and 71,849.93 is: 99,169.99
Step by Step Solution
- Step 1: Write the proportion equation
125,533.94 : 173,266.70 = 71,849.93 : x - Step 2: Convert to fraction form
125,533.94/173,266.70 = 71,849.93/x - Step 3: Cross multiply
125,533.94x = 173,266.70 × 71,849.93 - Step 4: Simplify right side
125,533.94x = 12,449,199,040.75 - Step 5: Solve for x
x = 12,449,199,040.75/125,533.94 - Step 6: Final answer
x = 99,169.99
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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.