Finding the Fourth Proportional to 187,930.08, 281,856.84 and 69,573.28
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Solution
The fourth proportional to 187,930.08, 281,856.84 and 69,573.28 is: 104,345.75
Step by Step Solution
- Step 1: Write the proportion equation
187,930.08 : 281,856.84 = 69,573.28 : x - Step 2: Convert to fraction form
187,930.08/281,856.84 = 69,573.28/x - Step 3: Cross multiply
187,930.08x = 281,856.84 × 69,573.28 - Step 4: Simplify right side
187,930.08x = 19,609,704,849.24 - Step 5: Solve for x
x = 19,609,704,849.24/187,930.08 - Step 6: Final answer
x = 104,345.75
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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.