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Finding the Fourth Proportional to 122,949.20, 184,423.80 and 122,027.60

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Solution

The fourth proportional to 122,949.20, 184,423.80 and 122,027.60 is: 183,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,949.20 : 184,423.80 = 122,027.60 : x
  2. Step 2: Convert to fraction form
    122,949.20/184,423.80 = 122,027.60/x
  3. Step 3: Cross multiply
    122,949.20x = 184,423.80 × 122,027.60
  4. Step 4: Simplify right side
    122,949.20x = 22,504,793,696.88
  5. Step 5: Solve for x
    x = 22,504,793,696.88/122,949.20
  6. Step 6: Final answer
    x = 183,041.40

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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.