Finding the Fourth Proportional to 292,668.18, 438,992.25 and 124,079.95
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Solution
The fourth proportional to 292,668.18, 438,992.25 and 124,079.95 is: 186,115.68
Step by Step Solution
- Step 1: Write the proportion equation
292,668.18 : 438,992.25 = 124,079.95 : x - Step 2: Convert to fraction form
292,668.18/438,992.25 = 124,079.95/x - Step 3: Cross multiply
292,668.18x = 438,992.25 × 124,079.95 - Step 4: Simplify right side
292,668.18x = 54,470,136,430.39 - Step 5: Solve for x
x = 54,470,136,430.39/292,668.18 - Step 6: Final answer
x = 186,115.68
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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.