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Finding the Fourth Proportional to 122,984.20, 184,508.70 and 44,090.20

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Solution

The fourth proportional to 122,984.20, 184,508.70 and 44,090.20 is: 66,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,984.20 : 184,508.70 = 44,090.20 : x
  2. Step 2: Convert to fraction form
    122,984.20/184,508.70 = 44,090.20/x
  3. Step 3: Cross multiply
    122,984.20x = 184,508.70 × 44,090.20
  4. Step 4: Simplify right side
    122,984.20x = 8,135,025,484.74
  5. Step 5: Solve for x
    x = 8,135,025,484.74/122,984.20
  6. Step 6: Final answer
    x = 66,146.92

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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.