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Finding the Fourth Proportional to 173,160.57, 259,768.17 and 73,321.32

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Solution

The fourth proportional to 173,160.57, 259,768.17 and 73,321.32 is: 109,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,160.57 : 259,768.17 = 73,321.32 : x
  2. Step 2: Convert to fraction form
    173,160.57/259,768.17 = 73,321.32/x
  3. Step 3: Cross multiply
    173,160.57x = 259,768.17 × 73,321.32
  4. Step 4: Simplify right side
    173,160.57x = 19,046,545,118.38
  5. Step 5: Solve for x
    x = 19,046,545,118.38/173,160.57
  6. Step 6: Final answer
    x = 109,993.55

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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.