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Finding the Fourth Proportional to 173,243.16, 259,864.26 and 67,988.52

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Solution

The fourth proportional to 173,243.16, 259,864.26 and 67,988.52 is: 101,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,243.16 : 259,864.26 = 67,988.52 : x
  2. Step 2: Convert to fraction form
    173,243.16/259,864.26 = 67,988.52/x
  3. Step 3: Cross multiply
    173,243.16x = 259,864.26 × 67,988.52
  4. Step 4: Simplify right side
    173,243.16x = 17,667,786,438.30
  5. Step 5: Solve for x
    x = 17,667,786,438.30/173,243.16
  6. Step 6: Final answer
    x = 101,982.59

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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.