Finding the Fourth Proportional to 124,282.36, 171,511.64 and 67,693.74
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Solution
The fourth proportional to 124,282.36, 171,511.64 and 67,693.74 is: 93,418.44
Step by Step Solution
- Step 1: Write the proportion equation
124,282.36 : 171,511.64 = 67,693.74 : x - Step 2: Convert to fraction form
124,282.36/171,511.64 = 67,693.74/x - Step 3: Cross multiply
124,282.36x = 171,511.64 × 67,693.74 - Step 4: Simplify right side
124,282.36x = 11,610,264,365.13 - Step 5: Solve for x
x = 11,610,264,365.13/124,282.36 - Step 6: Final answer
x = 93,418.44
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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.