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Finding the Fourth Proportional to 173,085.30, 259,744.05 and 60,765.30

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Solution

The fourth proportional to 173,085.30, 259,744.05 and 60,765.30 is: 91,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,085.30 : 259,744.05 = 60,765.30 : x
  2. Step 2: Convert to fraction form
    173,085.30/259,744.05 = 60,765.30/x
  3. Step 3: Cross multiply
    173,085.30x = 259,744.05 × 60,765.30
  4. Step 4: Simplify right side
    173,085.30x = 15,783,425,121.47
  5. Step 5: Solve for x
    x = 15,783,425,121.47/173,085.30
  6. Step 6: Final answer
    x = 91,188.71

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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.