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Finding the Fourth Proportional to 123,169.21, 184,737.88 and 38,937.85

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Solution

The fourth proportional to 123,169.21, 184,737.88 and 38,937.85 is: 58,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,169.21 : 184,737.88 = 38,937.85 : x
  2. Step 2: Convert to fraction form
    123,169.21/184,737.88 = 38,937.85/x
  3. Step 3: Cross multiply
    123,169.21x = 184,737.88 × 38,937.85
  4. Step 4: Simplify right side
    123,169.21x = 7,193,295,447.59
  5. Step 5: Solve for x
    x = 7,193,295,447.59/123,169.21
  6. Step 6: Final answer
    x = 58,401.74

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1.5x scale

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.