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Finding the Fourth Proportional to 173,169.70, 259,769.34 and 60,840.16

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Solution

The fourth proportional to 173,169.70, 259,769.34 and 60,840.16 is: 91,265.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,169.70 : 259,769.34 = 60,840.16 : x
  2. Step 2: Convert to fraction form
    173,169.70/259,769.34 = 60,840.16/x
  3. Step 3: Cross multiply
    173,169.70x = 259,769.34 × 60,840.16
  4. Step 4: Simplify right side
    173,169.70x = 15,804,408,208.69
  5. Step 5: Solve for x
    x = 15,804,408,208.69/173,169.70
  6. Step 6: Final answer
    x = 91,265.44

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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.