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Finding the Fourth Proportional to 181,168.10, 250,007.17 and 100,593.55

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Solution

The fourth proportional to 181,168.10, 250,007.17 and 100,593.55 is: 138,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,168.10 : 250,007.17 = 100,593.55 : x
  2. Step 2: Convert to fraction form
    181,168.10/250,007.17 = 100,593.55/x
  3. Step 3: Cross multiply
    181,168.10x = 250,007.17 × 100,593.55
  4. Step 4: Simplify right side
    181,168.10x = 25,149,108,816.78
  5. Step 5: Solve for x
    x = 25,149,108,816.78/181,168.10
  6. Step 6: Final answer
    x = 138,816.43

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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.