Finding the Fourth Proportional to 124,258.24, 171,478.20 and 67,669.48
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Solution
The fourth proportional to 124,258.24, 171,478.20 and 67,669.48 is: 93,384.88
Step by Step Solution
- Step 1: Write the proportion equation
124,258.24 : 171,478.20 = 67,669.48 : x - Step 2: Convert to fraction form
124,258.24/171,478.20 = 67,669.48/x - Step 3: Cross multiply
124,258.24x = 171,478.20 × 67,669.48 - Step 4: Simplify right side
124,258.24x = 11,603,840,625.34 - Step 5: Solve for x
x = 11,603,840,625.34/124,258.24 - Step 6: Final answer
x = 93,384.88
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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.