Finding the Fourth Proportional to 212,588.93, 293,372.69 and 117,095.63
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Solution
The fourth proportional to 212,588.93, 293,372.69 and 117,095.63 is: 161,591.95
Step by Step Solution
- Step 1: Write the proportion equation
212,588.93 : 293,372.69 = 117,095.63 : x - Step 2: Convert to fraction form
212,588.93/293,372.69 = 117,095.63/x - Step 3: Cross multiply
212,588.93x = 293,372.69 × 117,095.63 - Step 4: Simplify right side
212,588.93x = 34,352,657,908.00 - Step 5: Solve for x
x = 34,352,657,908.00/212,588.93 - Step 6: Final answer
x = 161,591.95
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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.