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Finding the Fourth Proportional to 139,082.29, 208,531.26 and 50,324.24

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Solution

The fourth proportional to 139,082.29, 208,531.26 and 50,324.24 is: 75,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,082.29 : 208,531.26 = 50,324.24 : x
  2. Step 2: Convert to fraction form
    139,082.29/208,531.26 = 50,324.24/x
  3. Step 3: Cross multiply
    139,082.29x = 208,531.26 × 50,324.24
  4. Step 4: Simplify right side
    139,082.29x = 10,494,177,697.07
  5. Step 5: Solve for x
    x = 10,494,177,697.07/139,082.29
  6. Step 6: Final answer
    x = 75,453.01

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1.5x scale

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.