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Finding the Fourth Proportional to 173,179.31, 259,784.26 and 48,520.67

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Solution

The fourth proportional to 173,179.31, 259,784.26 and 48,520.67 is: 72,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,179.31 : 259,784.26 = 48,520.67 : x
  2. Step 2: Convert to fraction form
    173,179.31/259,784.26 = 48,520.67/x
  3. Step 3: Cross multiply
    173,179.31x = 259,784.26 × 48,520.67
  4. Step 4: Simplify right side
    173,179.31x = 12,604,904,930.43
  5. Step 5: Solve for x
    x = 12,604,904,930.43/173,179.31
  6. Step 6: Final answer
    x = 72,785.28

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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.