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Finding the Fourth Proportional to 214,668.70, 322,004.16 and 125,859.93

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Solution

The fourth proportional to 214,668.70, 322,004.16 and 125,859.93 is: 188,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,668.70 : 322,004.16 = 125,859.93 : x
  2. Step 2: Convert to fraction form
    214,668.70/322,004.16 = 125,859.93/x
  3. Step 3: Cross multiply
    214,668.70x = 322,004.16 × 125,859.93
  4. Step 4: Simplify right side
    214,668.70x = 40,527,419,829.79
  5. Step 5: Solve for x
    x = 40,527,419,829.79/214,668.70
  6. Step 6: Final answer
    x = 188,790.54

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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.