Finding the Fourth Proportional to 134,875.60, 202,313.40 and 46,107.70
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Solution
The fourth proportional to 134,875.60, 202,313.40 and 46,107.70 is: 69,161.55
Step by Step Solution
- Step 1: Write the proportion equation
134,875.60 : 202,313.40 = 46,107.70 : x - Step 2: Convert to fraction form
134,875.60/202,313.40 = 46,107.70/x - Step 3: Cross multiply
134,875.60x = 202,313.40 × 46,107.70 - Step 4: Simplify right side
134,875.60x = 9,328,205,553.18 - Step 5: Solve for x
x = 9,328,205,553.18/134,875.60 - Step 6: Final answer
x = 69,161.55
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1.5x scale
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.