Finding the Fourth Proportional to 117,209.73, 175,831.35 and 36,163.62
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Solution
The fourth proportional to 117,209.73, 175,831.35 and 36,163.62 is: 54,250.60
Step by Step Solution
- Step 1: Write the proportion equation
117,209.73 : 175,831.35 = 36,163.62 : x - Step 2: Convert to fraction form
117,209.73/175,831.35 = 36,163.62/x - Step 3: Cross multiply
117,209.73x = 175,831.35 × 36,163.62 - Step 4: Simplify right side
117,209.73x = 6,358,698,125.49 - Step 5: Solve for x
x = 6,358,698,125.49/117,209.73 - Step 6: Final answer
x = 54,250.60
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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.