Finding the Fourth Proportional to 294,667.68, 406,641.12 and 160,531.68
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Solution
The fourth proportional to 294,667.68, 406,641.12 and 160,531.68 is: 221,533.57
Step by Step Solution
- Step 1: Write the proportion equation
294,667.68 : 406,641.12 = 160,531.68 : x - Step 2: Convert to fraction form
294,667.68/406,641.12 = 160,531.68/x - Step 3: Cross multiply
294,667.68x = 406,641.12 × 160,531.68 - Step 4: Simplify right side
294,667.68x = 65,278,782,150.68 - Step 5: Solve for x
x = 65,278,782,150.68/294,667.68 - Step 6: Final answer
x = 221,533.57
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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.