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Finding the Fourth Proportional to 181,367.92, 250,265.20 and 100,812.24

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Solution

The fourth proportional to 181,367.92, 250,265.20 and 100,812.24 is: 139,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,367.92 : 250,265.20 = 100,812.24 : x
  2. Step 2: Convert to fraction form
    181,367.92/250,265.20 = 100,812.24/x
  3. Step 3: Cross multiply
    181,367.92x = 250,265.20 × 100,812.24
  4. Step 4: Simplify right side
    181,367.92x = 25,229,795,406.05
  5. Step 5: Solve for x
    x = 25,229,795,406.05/181,367.92
  6. Step 6: Final answer
    x = 139,108.37

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1.5x scale

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.