Finding the Fourth Proportional to 124,871,649.80, 187,307,474.70 and 124,871,649.80
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Solution
The fourth proportional to 124,871,649.80, 187,307,474.70 and 124,871,649.80 is: 187,307,474.70
Step by Step Solution
- Step 1: Write the proportion equation
124,871,649.80 : 187,307,474.70 = 124,871,649.80 : x - Step 2: Convert to fraction form
124,871,649.80/187,307,474.70 = 124,871,649.80/x - Step 3: Cross multiply
124,871,649.80x = 187,307,474.70 × 124,871,649.80 - Step 4: Simplify right side
124,871,649.80x = 23,389,393,385,660,760 - Step 5: Solve for x
x = 23,389,393,385,660,760/124,871,649.80 - Step 6: Final answer
x = 187,307,474.70
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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.