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Finding the Fourth Proportional to 173,408.50, 239,323.17 and 97,961.86

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Solution

The fourth proportional to 173,408.50, 239,323.17 and 97,961.86 is: 135,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,408.50 : 239,323.17 = 97,961.86 : x
  2. Step 2: Convert to fraction form
    173,408.50/239,323.17 = 97,961.86/x
  3. Step 3: Cross multiply
    173,408.50x = 239,323.17 × 97,961.86
  4. Step 4: Simplify right side
    173,408.50x = 23,444,542,874.30
  5. Step 5: Solve for x
    x = 23,444,542,874.30/173,408.50
  6. Step 6: Final answer
    x = 135,198.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.