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Finding the Fourth Proportional to 181,757.28, 272,593.52 and 69,396.24

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Solution

The fourth proportional to 181,757.28, 272,593.52 and 69,396.24 is: 104,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,757.28 : 272,593.52 = 69,396.24 : x
  2. Step 2: Convert to fraction form
    181,757.28/272,593.52 = 69,396.24/x
  3. Step 3: Cross multiply
    181,757.28x = 272,593.52 × 69,396.24
  4. Step 4: Simplify right side
    181,757.28x = 18,916,965,336.36
  5. Step 5: Solve for x
    x = 18,916,965,336.36/181,757.28
  6. Step 6: Final answer
    x = 104,078.17

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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.