Finding the Fourth Proportional to 111,417.55, 167,177.36 and 48,256.99
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Solution
The fourth proportional to 111,417.55, 167,177.36 and 48,256.99 is: 72,407.59
Step by Step Solution
- Step 1: Write the proportion equation
111,417.55 : 167,177.36 = 48,256.99 : x - Step 2: Convert to fraction form
111,417.55/167,177.36 = 48,256.99/x - Step 3: Cross multiply
111,417.55x = 167,177.36 × 48,256.99 - Step 4: Simplify right side
111,417.55x = 8,067,475,948.46 - Step 5: Solve for x
x = 8,067,475,948.46/111,417.55 - Step 6: Final answer
x = 72,407.59
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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.