Finding the Fourth Proportional to 73,276.08, 109,877.16 and 52,204.08
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Solution
The fourth proportional to 73,276.08, 109,877.16 and 52,204.08 is: 78,279.79
Step by Step Solution
- Step 1: Write the proportion equation
73,276.08 : 109,877.16 = 52,204.08 : x - Step 2: Convert to fraction form
73,276.08/109,877.16 = 52,204.08/x - Step 3: Cross multiply
73,276.08x = 109,877.16 × 52,204.08 - Step 4: Simplify right side
73,276.08x = 5,736,036,050.81 - Step 5: Solve for x
x = 5,736,036,050.81/73,276.08 - Step 6: Final answer
x = 78,279.79
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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.