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Finding the Fourth Proportional to 187,469.56, 280,851.10 and 92,588.68

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Solution

The fourth proportional to 187,469.56, 280,851.10 and 92,588.68 is: 138,708.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,469.56 : 280,851.10 = 92,588.68 : x
  2. Step 2: Convert to fraction form
    187,469.56/280,851.10 = 92,588.68/x
  3. Step 3: Cross multiply
    187,469.56x = 280,851.10 × 92,588.68
  4. Step 4: Simplify right side
    187,469.56x = 26,003,632,625.55
  5. Step 5: Solve for x
    x = 26,003,632,625.55/187,469.56
  6. Step 6: Final answer
    x = 138,708.56

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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.