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Finding the Fourth Proportional to 227,858.87, 314,439.17 and 125,867.89

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Solution

The fourth proportional to 227,858.87, 314,439.17 and 125,867.89 is: 173,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,858.87 : 314,439.17 = 125,867.89 : x
  2. Step 2: Convert to fraction form
    227,858.87/314,439.17 = 125,867.89/x
  3. Step 3: Cross multiply
    227,858.87x = 314,439.17 × 125,867.89
  4. Step 4: Simplify right side
    227,858.87x = 39,577,794,624.96
  5. Step 5: Solve for x
    x = 39,577,794,624.96/227,858.87
  6. Step 6: Final answer
    x = 173,694.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.