Finding the Fourth Proportional to 124,216.16, 186,202.74 and 49,311.41
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Solution
The fourth proportional to 124,216.16, 186,202.74 and 49,311.41 is: 73,918.88
Step by Step Solution
- Step 1: Write the proportion equation
124,216.16 : 186,202.74 = 49,311.41 : x - Step 2: Convert to fraction form
124,216.16/186,202.74 = 49,311.41/x - Step 3: Cross multiply
124,216.16x = 186,202.74 × 49,311.41 - Step 4: Simplify right side
124,216.16x = 9,181,919,655.26 - Step 5: Solve for x
x = 9,181,919,655.26/124,216.16 - Step 6: Final answer
x = 73,918.88
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1.5x scale
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.