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Finding the Fourth Proportional to 123,083.70, 184,625.55 and 44,205.90

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Solution

The fourth proportional to 123,083.70, 184,625.55 and 44,205.90 is: 66,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,083.70 : 184,625.55 = 44,205.90 : x
  2. Step 2: Convert to fraction form
    123,083.70/184,625.55 = 44,205.90/x
  3. Step 3: Cross multiply
    123,083.70x = 184,625.55 × 44,205.90
  4. Step 4: Simplify right side
    123,083.70x = 8,161,538,600.75
  5. Step 5: Solve for x
    x = 8,161,538,600.75/123,083.70
  6. Step 6: Final answer
    x = 66,308.85

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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.