Finding the Fourth Proportional to 79,336.80, 118,883.52 and 54,288
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Solution
The fourth proportional to 79,336.80, 118,883.52 and 54,288 is: 81,348.74
Step by Step Solution
- Step 1: Write the proportion equation
79,336.80 : 118,883.52 = 54,288 : x - Step 2: Convert to fraction form
79,336.80/118,883.52 = 54,288/x - Step 3: Cross multiply
79,336.80x = 118,883.52 × 54,288 - Step 4: Simplify right side
79,336.80x = 6,453,948,533.76 - Step 5: Solve for x
x = 6,453,948,533.76/79,336.80 - Step 6: Final answer
x = 81,348.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.