Finding the Fourth Proportional to 242,053.68, 362,701.20 and 153,119.36
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Solution
The fourth proportional to 242,053.68, 362,701.20 and 153,119.36 is: 229,439.09
Step by Step Solution
- Step 1: Write the proportion equation
242,053.68 : 362,701.20 = 153,119.36 : x - Step 2: Convert to fraction form
242,053.68/362,701.20 = 153,119.36/x - Step 3: Cross multiply
242,053.68x = 362,701.20 × 153,119.36 - Step 4: Simplify right side
242,053.68x = 55,536,575,615.23 - Step 5: Solve for x
x = 55,536,575,615.23/242,053.68 - Step 6: Final answer
x = 229,439.09
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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.