Finding the Fourth Proportional to 117,692.63, 176,616.71 and 55,367.99
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Solution
The fourth proportional to 117,692.63, 176,616.71 and 55,367.99 is: 83,088.56
Step by Step Solution
- Step 1: Write the proportion equation
117,692.63 : 176,616.71 = 55,367.99 : x - Step 2: Convert to fraction form
117,692.63/176,616.71 = 55,367.99/x - Step 3: Cross multiply
117,692.63x = 176,616.71 × 55,367.99 - Step 4: Simplify right side
117,692.63x = 9,778,911,073.19 - Step 5: Solve for x
x = 9,778,911,073.19/117,692.63 - Step 6: Final answer
x = 83,088.56
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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.