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Finding the Fourth Proportional to 226,388.32, 339,582.30 and 57,908.95

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Solution

The fourth proportional to 226,388.32, 339,582.30 and 57,908.95 is: 86,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,388.32 : 339,582.30 = 57,908.95 : x
  2. Step 2: Convert to fraction form
    226,388.32/339,582.30 = 57,908.95/x
  3. Step 3: Cross multiply
    226,388.32x = 339,582.30 × 57,908.95
  4. Step 4: Simplify right side
    226,388.32x = 19,664,854,431.59
  5. Step 5: Solve for x
    x = 19,664,854,431.59/226,388.32
  6. Step 6: Final answer
    x = 86,863.38

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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.