Finding the Fourth Proportional to 117,199.35, 175,836.69 and 38,295.63
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Solution
The fourth proportional to 117,199.35, 175,836.69 and 38,295.63 is: 57,455.75
Step by Step Solution
- Step 1: Write the proportion equation
117,199.35 : 175,836.69 = 38,295.63 : x - Step 2: Convert to fraction form
117,199.35/175,836.69 = 38,295.63/x - Step 3: Cross multiply
117,199.35x = 175,836.69 × 38,295.63 - Step 4: Simplify right side
117,199.35x = 6,733,776,820.66 - Step 5: Solve for x
x = 6,733,776,820.66/117,199.35 - Step 6: Final answer
x = 57,455.75
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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.