Finding the Fourth Proportional to 160,405.50, 221,418 and 93,337.50
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Solution
The fourth proportional to 160,405.50, 221,418 and 93,337.50 is: 128,839.74
Step by Step Solution
- Step 1: Write the proportion equation
160,405.50 : 221,418 = 93,337.50 : x - Step 2: Convert to fraction form
160,405.50/221,418 = 93,337.50/x - Step 3: Cross multiply
160,405.50x = 221,418 × 93,337.50 - Step 4: Simplify right side
160,405.50x = 20,666,602,575 - Step 5: Solve for x
x = 20,666,602,575/160,405.50 - Step 6: Final answer
x = 128,839.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.