Finding the Fourth Proportional to 135,024.75, 186,331.95 and 74,597.94
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Solution
The fourth proportional to 135,024.75, 186,331.95 and 74,597.94 is: 102,943.94
Step by Step Solution
- Step 1: Write the proportion equation
135,024.75 : 186,331.95 = 74,597.94 : x - Step 2: Convert to fraction form
135,024.75/186,331.95 = 74,597.94/x - Step 3: Cross multiply
135,024.75x = 186,331.95 × 74,597.94 - Step 4: Simplify right side
135,024.75x = 13,899,979,626.18 - Step 5: Solve for x
x = 13,899,979,626.18/135,024.75 - Step 6: Final answer
x = 102,943.94
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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.