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Finding the Fourth Proportional to 173,058, 259,615.08 and 67,819.92

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Solution

The fourth proportional to 173,058, 259,615.08 and 67,819.92 is: 101,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,058 : 259,615.08 = 67,819.92 : x
  2. Step 2: Convert to fraction form
    173,058/259,615.08 = 67,819.92/x
  3. Step 3: Cross multiply
    173,058x = 259,615.08 × 67,819.92
  4. Step 4: Simplify right side
    173,058x = 17,607,073,956.39
  5. Step 5: Solve for x
    x = 17,607,073,956.39/173,058
  6. Step 6: Final answer
    x = 101,740.88

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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.