Finding the Fourth Proportional to 124,115.36, 186,178.80 and 35,374.88
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Solution
The fourth proportional to 124,115.36, 186,178.80 and 35,374.88 is: 53,063.96
Step by Step Solution
- Step 1: Write the proportion equation
124,115.36 : 186,178.80 = 35,374.88 : x - Step 2: Convert to fraction form
124,115.36/186,178.80 = 35,374.88/x - Step 3: Cross multiply
124,115.36x = 186,178.80 × 35,374.88 - Step 4: Simplify right side
124,115.36x = 6,586,052,708.54 - Step 5: Solve for x
x = 6,586,052,708.54/124,115.36 - Step 6: Final answer
x = 53,063.96
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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.