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Finding the Fourth Proportional to 214,668.63, 322,004.06 and 125,859.86

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Solution

The fourth proportional to 214,668.63, 322,004.06 and 125,859.86 is: 188,790.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,668.63 : 322,004.06 = 125,859.86 : x
  2. Step 2: Convert to fraction form
    214,668.63/322,004.06 = 125,859.86/x
  3. Step 3: Cross multiply
    214,668.63x = 322,004.06 × 125,859.86
  4. Step 4: Simplify right side
    214,668.63x = 40,527,385,351.20
  5. Step 5: Solve for x
    x = 40,527,385,351.20/214,668.63
  6. Step 6: Final answer
    x = 188,790.44

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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.