Finding the Fourth Proportional to 117,811.76, 176,828.35 and 61,692.14
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Solution
The fourth proportional to 117,811.76, 176,828.35 and 61,692.14 is: 92,596.19
Step by Step Solution
- Step 1: Write the proportion equation
117,811.76 : 176,828.35 = 61,692.14 : x - Step 2: Convert to fraction form
117,811.76/176,828.35 = 61,692.14/x - Step 3: Cross multiply
117,811.76x = 176,828.35 × 61,692.14 - Step 4: Simplify right side
117,811.76x = 10,908,919,686.05 - Step 5: Solve for x
x = 10,908,919,686.05/117,811.76 - Step 6: Final answer
x = 92,596.19
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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.