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Finding the Fourth Proportional to 374,573.88, 561,743.94 and 125,197.56

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Solution

The fourth proportional to 374,573.88, 561,743.94 and 125,197.56 is: 187,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,573.88 : 561,743.94 = 125,197.56 : x
  2. Step 2: Convert to fraction form
    374,573.88/561,743.94 = 125,197.56/x
  3. Step 3: Cross multiply
    374,573.88x = 561,743.94 × 125,197.56
  4. Step 4: Simplify right side
    374,573.88x = 70,328,970,632.79
  5. Step 5: Solve for x
    x = 70,328,970,632.79/374,573.88
  6. Step 6: Final answer
    x = 187,757.27

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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.