Finding the Fourth Proportional to 166,483.23, 229,746.84 and 91,031.73
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Solution
The fourth proportional to 166,483.23, 229,746.84 and 91,031.73 is: 125,623.78
Step by Step Solution
- Step 1: Write the proportion equation
166,483.23 : 229,746.84 = 91,031.73 : x - Step 2: Convert to fraction form
166,483.23/229,746.84 = 91,031.73/x - Step 3: Cross multiply
166,483.23x = 229,746.84 × 91,031.73 - Step 4: Simplify right side
166,483.23x = 20,914,252,307.23 - Step 5: Solve for x
x = 20,914,252,307.23/166,483.23 - Step 6: Final answer
x = 125,623.78
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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.