Finding the Fourth Proportional to 177,726.49, 245,267.26 and 106,147.80
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Solution
The fourth proportional to 177,726.49, 245,267.26 and 106,147.80 is: 146,486.77
Step by Step Solution
- Step 1: Write the proportion equation
177,726.49 : 245,267.26 = 106,147.80 : x - Step 2: Convert to fraction form
177,726.49/245,267.26 = 106,147.80/x - Step 3: Cross multiply
177,726.49x = 245,267.26 × 106,147.80 - Step 4: Simplify right side
177,726.49x = 26,034,579,795.66 - Step 5: Solve for x
x = 26,034,579,795.66/177,726.49 - Step 6: Final answer
x = 146,486.77
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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.