Finding the Fourth Proportional to 368,178.21, 552,267.99 and 101,939.49
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Solution
The fourth proportional to 368,178.21, 552,267.99 and 101,939.49 is: 152,909.42
Step by Step Solution
- Step 1: Write the proportion equation
368,178.21 : 552,267.99 = 101,939.49 : x - Step 2: Convert to fraction form
368,178.21/552,267.99 = 101,939.49/x - Step 3: Cross multiply
368,178.21x = 552,267.99 × 101,939.49 - Step 4: Simplify right side
368,178.21x = 56,297,917,243.93 - Step 5: Solve for x
x = 56,297,917,243.93/368,178.21 - Step 6: Final answer
x = 152,909.42
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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.