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Finding the Fourth Proportional to 259,903.24, 389,627.07 and 124,900.05

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Solution

The fourth proportional to 259,903.24, 389,627.07 and 124,900.05 is: 187,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,903.24 : 389,627.07 = 124,900.05 : x
  2. Step 2: Convert to fraction form
    259,903.24/389,627.07 = 124,900.05/x
  3. Step 3: Cross multiply
    259,903.24x = 389,627.07 × 124,900.05
  4. Step 4: Simplify right side
    259,903.24x = 48,664,440,524.35
  5. Step 5: Solve for x
    x = 48,664,440,524.35/259,903.24
  6. Step 6: Final answer
    x = 187,240.61

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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.