Finding the Fourth Proportional to 117,006.76, 175,351.12 and 49,482.68
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Solution
The fourth proportional to 117,006.76, 175,351.12 and 49,482.68 is: 74,156.77
Step by Step Solution
- Step 1: Write the proportion equation
117,006.76 : 175,351.12 = 49,482.68 : x - Step 2: Convert to fraction form
117,006.76/175,351.12 = 49,482.68/x - Step 3: Cross multiply
117,006.76x = 175,351.12 × 49,482.68 - Step 4: Simplify right side
117,006.76x = 8,676,843,111.19 - Step 5: Solve for x
x = 8,676,843,111.19/117,006.76 - Step 6: Final answer
x = 74,156.77
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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.