Finding the Fourth Proportional to 234,534.13, 323,657.06 and 127,104.17
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Solution
The fourth proportional to 234,534.13, 323,657.06 and 127,104.17 is: 175,403.73
Step by Step Solution
- Step 1: Write the proportion equation
234,534.13 : 323,657.06 = 127,104.17 : x - Step 2: Convert to fraction form
234,534.13/323,657.06 = 127,104.17/x - Step 3: Cross multiply
234,534.13x = 323,657.06 × 127,104.17 - Step 4: Simplify right side
234,534.13x = 41,138,159,722.13 - Step 5: Solve for x
x = 41,138,159,722.13/234,534.13 - Step 6: Final answer
x = 175,403.73
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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.