Finding the Fourth Proportional to 117,592.60, 176,129.70 and 104,459.80
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Solution
The fourth proportional to 117,592.60, 176,129.70 and 104,459.80 is: 156,459.45
Step by Step Solution
- Step 1: Write the proportion equation
117,592.60 : 176,129.70 = 104,459.80 : x - Step 2: Convert to fraction form
117,592.60/176,129.70 = 104,459.80/x - Step 3: Cross multiply
117,592.60x = 176,129.70 × 104,459.80 - Step 4: Simplify right side
117,592.60x = 18,398,473,236.06 - Step 5: Solve for x
x = 18,398,473,236.06/117,592.60 - Step 6: Final answer
x = 156,459.45
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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.