Finding the Fourth Proportional to 99,144.68, 148,706.14 and 29,024.68
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Solution
The fourth proportional to 99,144.68, 148,706.14 and 29,024.68 is: 43,533.83
Step by Step Solution
- Step 1: Write the proportion equation
99,144.68 : 148,706.14 = 29,024.68 : x - Step 2: Convert to fraction form
99,144.68/148,706.14 = 29,024.68/x - Step 3: Cross multiply
99,144.68x = 148,706.14 × 29,024.68 - Step 4: Simplify right side
99,144.68x = 4,316,148,127.54 - Step 5: Solve for x
x = 4,316,148,127.54/99,144.68 - Step 6: Final answer
x = 43,533.83
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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.