Finding the Fourth Proportional to 275,598.99, 413,013.06 and 148,966.02
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Solution
The fourth proportional to 275,598.99, 413,013.06 and 148,966.02 is: 223,240.70
Step by Step Solution
- Step 1: Write the proportion equation
275,598.99 : 413,013.06 = 148,966.02 : x - Step 2: Convert to fraction form
275,598.99/413,013.06 = 148,966.02/x - Step 3: Cross multiply
275,598.99x = 413,013.06 × 148,966.02 - Step 4: Simplify right side
275,598.99x = 61,524,911,756.22 - Step 5: Solve for x
x = 61,524,911,756.22/275,598.99 - Step 6: Final answer
x = 223,240.70
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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.