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Finding the Fourth Proportional to 122,820.30, 184,220.73 and 43,926.30

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Solution

The fourth proportional to 122,820.30, 184,220.73 and 43,926.30 is: 65,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,820.30 : 184,220.73 = 43,926.30 : x
  2. Step 2: Convert to fraction form
    122,820.30/184,220.73 = 43,926.30/x
  3. Step 3: Cross multiply
    122,820.30x = 184,220.73 × 43,926.30
  4. Step 4: Simplify right side
    122,820.30x = 8,092,135,052.20
  5. Step 5: Solve for x
    x = 8,092,135,052.20/122,820.30
  6. Step 6: Final answer
    x = 65,885.97

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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.