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Finding the Fourth Proportional to 226,649.46, 339,986.28 and 58,171.22

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Solution

The fourth proportional to 226,649.46, 339,986.28 and 58,171.22 is: 87,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,649.46 : 339,986.28 = 58,171.22 : x
  2. Step 2: Convert to fraction form
    226,649.46/339,986.28 = 58,171.22/x
  3. Step 3: Cross multiply
    226,649.46x = 339,986.28 × 58,171.22
  4. Step 4: Simplify right side
    226,649.46x = 19,777,416,690.86
  5. Step 5: Solve for x
    x = 19,777,416,690.86/226,649.46
  6. Step 6: Final answer
    x = 87,259.93

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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.