Finding the Fourth Proportional to 107,472.94, 160,420.55 and 99,556
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Solution
The fourth proportional to 107,472.94, 160,420.55 and 99,556 is: 148,603.25
Step by Step Solution
- Step 1: Write the proportion equation
107,472.94 : 160,420.55 = 99,556 : x - Step 2: Convert to fraction form
107,472.94/160,420.55 = 99,556/x - Step 3: Cross multiply
107,472.94x = 160,420.55 × 99,556 - Step 4: Simplify right side
107,472.94x = 15,970,828,275.80 - Step 5: Solve for x
x = 15,970,828,275.80/107,472.94 - Step 6: Final answer
x = 148,603.25
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.