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Finding the Fourth Proportional to 173,134.30, 259,818.09 and 67,940.86

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Solution

The fourth proportional to 173,134.30, 259,818.09 and 67,940.86 is: 101,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,134.30 : 259,818.09 = 67,940.86 : x
  2. Step 2: Convert to fraction form
    173,134.30/259,818.09 = 67,940.86/x
  3. Step 3: Cross multiply
    173,134.30x = 259,818.09 × 67,940.86
  4. Step 4: Simplify right side
    173,134.30x = 17,652,262,839.36
  5. Step 5: Solve for x
    x = 17,652,262,839.36/173,134.30
  6. Step 6: Final answer
    x = 101,957.06

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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.