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Finding the Fourth Proportional to 173,572.70, 259,667.85 and 156,983.90

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Solution

The fourth proportional to 173,572.70, 259,667.85 and 156,983.90 is: 234,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,572.70 : 259,667.85 = 156,983.90 : x
  2. Step 2: Convert to fraction form
    173,572.70/259,667.85 = 156,983.90/x
  3. Step 3: Cross multiply
    173,572.70x = 259,667.85 × 156,983.90
  4. Step 4: Simplify right side
    173,572.70x = 40,763,671,797.62
  5. Step 5: Solve for x
    x = 40,763,671,797.62/173,572.70
  6. Step 6: Final answer
    x = 234,850.71

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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.