Finding the Fourth Proportional to 115,302.60, 171,807.66 and 102,726
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Solution
The fourth proportional to 115,302.60, 171,807.66 and 102,726 is: 153,067.79
Step by Step Solution
- Step 1: Write the proportion equation
115,302.60 : 171,807.66 = 102,726 : x - Step 2: Convert to fraction form
115,302.60/171,807.66 = 102,726/x - Step 3: Cross multiply
115,302.60x = 171,807.66 × 102,726 - Step 4: Simplify right side
115,302.60x = 17,649,113,681.16 - Step 5: Solve for x
x = 17,649,113,681.16/115,302.60 - Step 6: Final answer
x = 153,067.79
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.