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Finding the Fourth Proportional to 173,135.80, 259,670.89 and 60,789.61

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Solution

The fourth proportional to 173,135.80, 259,670.89 and 60,789.61 is: 91,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,135.80 : 259,670.89 = 60,789.61 : x
  2. Step 2: Convert to fraction form
    173,135.80/259,670.89 = 60,789.61/x
  3. Step 3: Cross multiply
    173,135.80x = 259,670.89 × 60,789.61
  4. Step 4: Simplify right side
    173,135.80x = 15,785,292,131.45
  5. Step 5: Solve for x
    x = 15,785,292,131.45/173,135.80
  6. Step 6: Final answer
    x = 91,172.90

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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.