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Finding the Fourth Proportional to 122,956.50, 184,478.49 and 60,670.74

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Solution

The fourth proportional to 122,956.50, 184,478.49 and 60,670.74 is: 91,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,956.50 : 184,478.49 = 60,670.74 : x
  2. Step 2: Convert to fraction form
    122,956.50/184,478.49 = 60,670.74/x
  3. Step 3: Cross multiply
    122,956.50x = 184,478.49 × 60,670.74
  4. Step 4: Simplify right side
    122,956.50x = 11,192,446,502.38
  5. Step 5: Solve for x
    x = 11,192,446,502.38/122,956.50
  6. Step 6: Final answer
    x = 91,027.69

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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.