Finding the Fourth Proportional to 124,963.34, 187,452.80 and 50,073.75
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Solution
The fourth proportional to 124,963.34, 187,452.80 and 50,073.75 is: 75,113.75
Step by Step Solution
- Step 1: Write the proportion equation
124,963.34 : 187,452.80 = 50,073.75 : x - Step 2: Convert to fraction form
124,963.34/187,452.80 = 50,073.75/x - Step 3: Cross multiply
124,963.34x = 187,452.80 × 50,073.75 - Step 4: Simplify right side
124,963.34x = 9,386,464,987.45 - Step 5: Solve for x
x = 9,386,464,987.45/124,963.34 - Step 6: Final answer
x = 75,113.75
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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.