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Finding the Fourth Proportional to 227,358.72, 313,741.44 and 125,379.36

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Solution

The fourth proportional to 227,358.72, 313,741.44 and 125,379.36 is: 173,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,358.72 : 313,741.44 = 125,379.36 : x
  2. Step 2: Convert to fraction form
    227,358.72/313,741.44 = 125,379.36/x
  3. Step 3: Cross multiply
    227,358.72x = 313,741.44 × 125,379.36
  4. Step 4: Simplify right side
    227,358.72x = 39,336,700,952.68
  5. Step 5: Solve for x
    x = 39,336,700,952.68/227,358.72
  6. Step 6: Final answer
    x = 173,016.02

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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.