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Finding the Fourth Proportional to 173,023.88, 259,414.86 and 79,478.60

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Solution

The fourth proportional to 173,023.88, 259,414.86 and 79,478.60 is: 119,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,023.88 : 259,414.86 = 79,478.60 : x
  2. Step 2: Convert to fraction form
    173,023.88/259,414.86 = 79,478.60/x
  3. Step 3: Cross multiply
    173,023.88x = 259,414.86 × 79,478.60
  4. Step 4: Simplify right side
    173,023.88x = 20,617,929,892.00
  5. Step 5: Solve for x
    x = 20,617,929,892.00/173,023.88
  6. Step 6: Final answer
    x = 119,162.34

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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.