Finding the Fourth Proportional to 117,087.60, 175,630.68 and 38,201.88
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Solution
The fourth proportional to 117,087.60, 175,630.68 and 38,201.88 is: 57,302.59
Step by Step Solution
- Step 1: Write the proportion equation
117,087.60 : 175,630.68 = 38,201.88 : x - Step 2: Convert to fraction form
117,087.60/175,630.68 = 38,201.88/x - Step 3: Cross multiply
117,087.60x = 175,630.68 × 38,201.88 - Step 4: Simplify right side
117,087.60x = 6,709,422,161.68 - Step 5: Solve for x
x = 6,709,422,161.68/117,087.60 - Step 6: Final answer
x = 57,302.59
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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.