Finding the Fourth Proportional to 168,637.65, 232,723.01 and 92,159.99
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Solution
The fourth proportional to 168,637.65, 232,723.01 and 92,159.99 is: 127,182.45
Step by Step Solution
- Step 1: Write the proportion equation
168,637.65 : 232,723.01 = 92,159.99 : x - Step 2: Convert to fraction form
168,637.65/232,723.01 = 92,159.99/x - Step 3: Cross multiply
168,637.65x = 232,723.01 × 92,159.99 - Step 4: Simplify right side
168,637.65x = 21,447,749,341.15 - Step 5: Solve for x
x = 21,447,749,341.15/168,637.65 - Step 6: Final answer
x = 127,182.45
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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.