Finding the Fourth Proportional to 113,107.60, 169,315.80 and 113,107.60
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Solution
The fourth proportional to 113,107.60, 169,315.80 and 113,107.60 is: 169,315.80
Step by Step Solution
- Step 1: Write the proportion equation
113,107.60 : 169,315.80 = 113,107.60 : x - Step 2: Convert to fraction form
113,107.60/169,315.80 = 113,107.60/x - Step 3: Cross multiply
113,107.60x = 169,315.80 × 113,107.60 - Step 4: Simplify right side
113,107.60x = 19,150,903,780.08 - Step 5: Solve for x
x = 19,150,903,780.08/113,107.60 - Step 6: Final answer
x = 169,315.80
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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.