Finding the Fourth Proportional to 135,895.08, 203,922.78 and 51,726.06
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Solution
The fourth proportional to 135,895.08, 203,922.78 and 51,726.06 is: 77,619.60
Step by Step Solution
- Step 1: Write the proportion equation
135,895.08 : 203,922.78 = 51,726.06 : x - Step 2: Convert to fraction form
135,895.08/203,922.78 = 51,726.06/x - Step 3: Cross multiply
135,895.08x = 203,922.78 × 51,726.06 - Step 4: Simplify right side
135,895.08x = 10,548,121,953.65 - Step 5: Solve for x
x = 10,548,121,953.65/135,895.08 - Step 6: Final answer
x = 77,619.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.