Finding the Fourth Proportional to 124,198.22, 171,221.35 and 83,848.07
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Solution
The fourth proportional to 124,198.22, 171,221.35 and 83,848.07 is: 115,594.09
Step by Step Solution
- Step 1: Write the proportion equation
124,198.22 : 171,221.35 = 83,848.07 : x - Step 2: Convert to fraction form
124,198.22/171,221.35 = 83,848.07/x - Step 3: Cross multiply
124,198.22x = 171,221.35 × 83,848.07 - Step 4: Simplify right side
124,198.22x = 14,356,580,271.87 - Step 5: Solve for x
x = 14,356,580,271.87/124,198.22 - Step 6: Final answer
x = 115,594.09
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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.