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Finding the Fourth Proportional to 173,044.80, 259,375.20 and 67,828.80

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Solution

The fourth proportional to 173,044.80, 259,375.20 and 67,828.80 is: 101,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,044.80 : 259,375.20 = 67,828.80 : x
  2. Step 2: Convert to fraction form
    173,044.80/259,375.20 = 67,828.80/x
  3. Step 3: Cross multiply
    173,044.80x = 259,375.20 × 67,828.80
  4. Step 4: Simplify right side
    173,044.80x = 17,593,108,565.76
  5. Step 5: Solve for x
    x = 17,593,108,565.76/173,044.80
  6. Step 6: Final answer
    x = 101,667.94

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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.