Finding the Fourth Proportional to 174,381.09, 261,574.08 and 49,722.09
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Solution
The fourth proportional to 174,381.09, 261,574.08 and 49,722.09 is: 74,583.83
Step by Step Solution
- Step 1: Write the proportion equation
174,381.09 : 261,574.08 = 49,722.09 : x - Step 2: Convert to fraction form
174,381.09/261,574.08 = 49,722.09/x - Step 3: Cross multiply
174,381.09x = 261,574.08 × 49,722.09 - Step 4: Simplify right side
174,381.09x = 13,006,009,947.43 - Step 5: Solve for x
x = 13,006,009,947.43/174,381.09 - Step 6: Final answer
x = 74,583.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.