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Finding the Fourth Proportional to 123,087.70, 184,631.55 and 44,209.90

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Solution

The fourth proportional to 123,087.70, 184,631.55 and 44,209.90 is: 66,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,087.70 : 184,631.55 = 44,209.90 : x
  2. Step 2: Convert to fraction form
    123,087.70/184,631.55 = 44,209.90/x
  3. Step 3: Cross multiply
    123,087.70x = 184,631.55 × 44,209.90
  4. Step 4: Simplify right side
    123,087.70x = 8,162,542,362.35
  5. Step 5: Solve for x
    x = 8,162,542,362.35/123,087.70
  6. Step 6: Final answer
    x = 66,314.85

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Similar ratio
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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.