Finding the Fourth Proportional to 168,918.62, 233,107.68 and 92,437.74
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Solution
The fourth proportional to 168,918.62, 233,107.68 and 92,437.74 is: 127,564.07
Step by Step Solution
- Step 1: Write the proportion equation
168,918.62 : 233,107.68 = 92,437.74 : x - Step 2: Convert to fraction form
168,918.62/233,107.68 = 92,437.74/x - Step 3: Cross multiply
168,918.62x = 233,107.68 × 92,437.74 - Step 4: Simplify right side
168,918.62x = 21,547,947,115.84 - Step 5: Solve for x
x = 21,547,947,115.84/168,918.62 - Step 6: Final answer
x = 127,564.07
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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.