Finding the Fourth Proportional to 124,926.63, 172,401.51 and 68,338
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Solution
The fourth proportional to 124,926.63, 172,401.51 and 68,338 is: 94,307.95
Step by Step Solution
- Step 1: Write the proportion equation
124,926.63 : 172,401.51 = 68,338 : x - Step 2: Convert to fraction form
124,926.63/172,401.51 = 68,338/x - Step 3: Cross multiply
124,926.63x = 172,401.51 × 68,338 - Step 4: Simplify right side
124,926.63x = 11,781,574,390.38 - Step 5: Solve for x
x = 11,781,574,390.38/124,926.63 - Step 6: Final answer
x = 94,307.95
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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.