Finding the Fourth Proportional to 124,031.25, 171,177.57 and 69,598.44
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Solution
The fourth proportional to 124,031.25, 171,177.57 and 69,598.44 is: 96,053.95
Step by Step Solution
- Step 1: Write the proportion equation
124,031.25 : 171,177.57 = 69,598.44 : x - Step 2: Convert to fraction form
124,031.25/171,177.57 = 69,598.44/x - Step 3: Cross multiply
124,031.25x = 171,177.57 × 69,598.44 - Step 4: Simplify right side
124,031.25x = 11,913,691,834.99 - Step 5: Solve for x
x = 11,913,691,834.99/124,031.25 - Step 6: Final answer
x = 96,053.95
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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.