Finding the Fourth Proportional to 164,984.10, 247,506.93 and 76,178.94
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Solution
The fourth proportional to 164,984.10, 247,506.93 and 76,178.94 is: 114,282.62
Step by Step Solution
- Step 1: Write the proportion equation
164,984.10 : 247,506.93 = 76,178.94 : x - Step 2: Convert to fraction form
164,984.10/247,506.93 = 76,178.94/x - Step 3: Cross multiply
164,984.10x = 247,506.93 × 76,178.94 - Step 4: Simplify right side
164,984.10x = 18,854,815,570.05 - Step 5: Solve for x
x = 18,854,815,570.05/164,984.10 - Step 6: Final answer
x = 114,282.62
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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.