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Finding the Fourth Proportional to 123,211.40, 184,817.10 and 44,414.60

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Solution

The fourth proportional to 123,211.40, 184,817.10 and 44,414.60 is: 66,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,211.40 : 184,817.10 = 44,414.60 : x
  2. Step 2: Convert to fraction form
    123,211.40/184,817.10 = 44,414.60/x
  3. Step 3: Cross multiply
    123,211.40x = 184,817.10 × 44,414.60
  4. Step 4: Simplify right side
    123,211.40x = 8,208,577,569.66
  5. Step 5: Solve for x
    x = 8,208,577,569.66/123,211.40
  6. Step 6: Final answer
    x = 66,621.90

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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.