Finding the Fourth Proportional to 117,615.99, 176,453.70 and 51,039.93
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Solution
The fourth proportional to 117,615.99, 176,453.70 and 51,039.93 is: 76,572.79
Step by Step Solution
- Step 1: Write the proportion equation
117,615.99 : 176,453.70 = 51,039.93 : x - Step 2: Convert to fraction form
117,615.99/176,453.70 = 51,039.93/x - Step 3: Cross multiply
117,615.99x = 176,453.70 × 51,039.93 - Step 4: Simplify right side
117,615.99x = 9,006,184,496.24 - Step 5: Solve for x
x = 9,006,184,496.24/117,615.99 - Step 6: Final answer
x = 76,572.79
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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.