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Finding the Fourth Proportional to 226,101.27, 339,199.91 and 85,856.79

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Solution

The fourth proportional to 226,101.27, 339,199.91 and 85,856.79 is: 128,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,101.27 : 339,199.91 = 85,856.79 : x
  2. Step 2: Convert to fraction form
    226,101.27/339,199.91 = 85,856.79/x
  3. Step 3: Cross multiply
    226,101.27x = 339,199.91 × 85,856.79
  4. Step 4: Simplify right side
    226,101.27x = 29,122,615,011.61
  5. Step 5: Solve for x
    x = 29,122,615,011.61/226,101.27
  6. Step 6: Final answer
    x = 128,803.41

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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.