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Finding the Fourth Proportional to 173,588.81, 260,481.56 and 68,481.59

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Solution

The fourth proportional to 173,588.81, 260,481.56 and 68,481.59 is: 102,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,588.81 : 260,481.56 = 68,481.59 : x
  2. Step 2: Convert to fraction form
    173,588.81/260,481.56 = 68,481.59/x
  3. Step 3: Cross multiply
    173,588.81x = 260,481.56 × 68,481.59
  4. Step 4: Simplify right side
    173,588.81x = 17,838,189,749.66
  5. Step 5: Solve for x
    x = 17,838,189,749.66/173,588.81
  6. Step 6: Final answer
    x = 102,761.18

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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.