Finding the Fourth Proportional to 168,332.63, 232,299.05 and 92,881.13
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Solution
The fourth proportional to 168,332.63, 232,299.05 and 92,881.13 is: 128,175.96
Step by Step Solution
- Step 1: Write the proportion equation
168,332.63 : 232,299.05 = 92,881.13 : x - Step 2: Convert to fraction form
168,332.63/232,299.05 = 92,881.13/x - Step 3: Cross multiply
168,332.63x = 232,299.05 × 92,881.13 - Step 4: Simplify right side
168,332.63x = 21,576,196,636.03 - Step 5: Solve for x
x = 21,576,196,636.03/168,332.63 - Step 6: Final answer
x = 128,175.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.