Finding the Fourth Proportional to 116,817.48, 175,226.21 and 28,070.99
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Solution
The fourth proportional to 116,817.48, 175,226.21 and 28,070.99 is: 42,106.48
Step by Step Solution
- Step 1: Write the proportion equation
116,817.48 : 175,226.21 = 28,070.99 : x - Step 2: Convert to fraction form
116,817.48/175,226.21 = 28,070.99/x - Step 3: Cross multiply
116,817.48x = 175,226.21 × 28,070.99 - Step 4: Simplify right side
116,817.48x = 4,918,772,881.89 - Step 5: Solve for x
x = 4,918,772,881.89/116,817.48 - Step 6: Final answer
x = 42,106.48
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Similar ratio
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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.