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Finding the Fourth Proportional to 181,697.33, 272,564.17 and 69,471.97

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Solution

The fourth proportional to 181,697.33, 272,564.17 and 69,471.97 is: 104,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,697.33 : 272,564.17 = 69,471.97 : x
  2. Step 2: Convert to fraction form
    181,697.33/272,564.17 = 69,471.97/x
  3. Step 3: Cross multiply
    181,697.33x = 272,564.17 × 69,471.97
  4. Step 4: Simplify right side
    181,697.33x = 18,935,568,986.22
  5. Step 5: Solve for x
    x = 18,935,568,986.22/181,697.33
  6. Step 6: Final answer
    x = 104,214.90

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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.