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Finding the Fourth Proportional to 350,027.43, 525,150.09 and 125,389.80

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Solution

The fourth proportional to 350,027.43, 525,150.09 and 125,389.80 is: 188,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,027.43 : 525,150.09 = 125,389.80 : x
  2. Step 2: Convert to fraction form
    350,027.43/525,150.09 = 125,389.80/x
  3. Step 3: Cross multiply
    350,027.43x = 525,150.09 × 125,389.80
  4. Step 4: Simplify right side
    350,027.43x = 65,848,464,755.08
  5. Step 5: Solve for x
    x = 65,848,464,755.08/350,027.43
  6. Step 6: Final answer
    x = 188,123.73

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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.