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Finding the Fourth Proportional to 227,358.69, 313,749.78 and 125,381.24

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Solution

The fourth proportional to 227,358.69, 313,749.78 and 125,381.24 is: 173,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,358.69 : 313,749.78 = 125,381.24 : x
  2. Step 2: Convert to fraction form
    227,358.69/313,749.78 = 125,381.24/x
  3. Step 3: Cross multiply
    227,358.69x = 313,749.78 × 125,381.24
  4. Step 4: Simplify right side
    227,358.69x = 39,338,336,466.13
  5. Step 5: Solve for x
    x = 39,338,336,466.13/227,358.69
  6. Step 6: Final answer
    x = 173,023.24

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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.