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Finding the Fourth Proportional to 122,874.56, 184,305.36 and 60,524

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Solution

The fourth proportional to 122,874.56, 184,305.36 and 60,524 is: 90,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,874.56 : 184,305.36 = 60,524 : x
  2. Step 2: Convert to fraction form
    122,874.56/184,305.36 = 60,524/x
  3. Step 3: Cross multiply
    122,874.56x = 184,305.36 × 60,524
  4. Step 4: Simplify right side
    122,874.56x = 11,154,897,608.64
  5. Step 5: Solve for x
    x = 11,154,897,608.64/122,874.56
  6. Step 6: Final answer
    x = 90,782.81

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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.