Finding the Fourth Proportional to 94,392.24, 130,266.64 and 54,112.68
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Solution
The fourth proportional to 94,392.24, 130,266.64 and 54,112.68 is: 74,678.56
Step by Step Solution
- Step 1: Write the proportion equation
94,392.24 : 130,266.64 = 54,112.68 : x - Step 2: Convert to fraction form
94,392.24/130,266.64 = 54,112.68/x - Step 3: Cross multiply
94,392.24x = 130,266.64 × 54,112.68 - Step 4: Simplify right side
94,392.24x = 7,049,077,005.00 - Step 5: Solve for x
x = 7,049,077,005.00/94,392.24 - Step 6: Final answer
x = 74,678.56
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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.