Finding the Fourth Proportional to 176,672.64, 243,887.85 and 116,274.99
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Solution
The fourth proportional to 176,672.64, 243,887.85 and 116,274.99 is: 160,511.88
Step by Step Solution
- Step 1: Write the proportion equation
176,672.64 : 243,887.85 = 116,274.99 : x - Step 2: Convert to fraction form
176,672.64/243,887.85 = 116,274.99/x - Step 3: Cross multiply
176,672.64x = 243,887.85 × 116,274.99 - Step 4: Simplify right side
176,672.64x = 28,358,057,319.87 - Step 5: Solve for x
x = 28,358,057,319.87/176,672.64 - Step 6: Final answer
x = 160,511.88
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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.