Finding the Fourth Proportional to 110,547.27, 152,511.93 and 68,031.99
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Solution
The fourth proportional to 110,547.27, 152,511.93 and 68,031.99 is: 93,857.50
Step by Step Solution
- Step 1: Write the proportion equation
110,547.27 : 152,511.93 = 68,031.99 : x - Step 2: Convert to fraction form
110,547.27/152,511.93 = 68,031.99/x - Step 3: Cross multiply
110,547.27x = 152,511.93 × 68,031.99 - Step 4: Simplify right side
110,547.27x = 10,375,690,096.64 - Step 5: Solve for x
x = 10,375,690,096.64/110,547.27 - Step 6: Final answer
x = 93,857.50
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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.