Finding the Fourth Proportional to 117,897.53, 176,735.12 and 58,677.21
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Solution
The fourth proportional to 117,897.53, 176,735.12 and 58,677.21 is: 87,960.48
Step by Step Solution
- Step 1: Write the proportion equation
117,897.53 : 176,735.12 = 58,677.21 : x - Step 2: Convert to fraction form
117,897.53/176,735.12 = 58,677.21/x - Step 3: Cross multiply
117,897.53x = 176,735.12 × 58,677.21 - Step 4: Simplify right side
117,897.53x = 10,370,323,457.23 - Step 5: Solve for x
x = 10,370,323,457.23/117,897.53 - Step 6: Final answer
x = 87,960.48
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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.