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Finding the Fourth Proportional to 173,139.30, 259,676.15 and 60,793.11

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Solution

The fourth proportional to 173,139.30, 259,676.15 and 60,793.11 is: 91,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,139.30 : 259,676.15 = 60,793.11 : x
  2. Step 2: Convert to fraction form
    173,139.30/259,676.15 = 60,793.11/x
  3. Step 3: Cross multiply
    173,139.30x = 259,676.15 × 60,793.11
  4. Step 4: Simplify right side
    173,139.30x = 15,786,520,447.36
  5. Step 5: Solve for x
    x = 15,786,520,447.36/173,139.30
  6. Step 6: Final answer
    x = 91,178.15

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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.