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Finding the Fourth Proportional to 133,314.92, 184,020.92 and 76,748.84

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Solution

The fourth proportional to 133,314.92, 184,020.92 and 76,748.84 is: 105,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,314.92 : 184,020.92 = 76,748.84 : x
  2. Step 2: Convert to fraction form
    133,314.92/184,020.92 = 76,748.84/x
  3. Step 3: Cross multiply
    133,314.92x = 184,020.92 × 76,748.84
  4. Step 4: Simplify right side
    133,314.92x = 14,123,392,145.73
  5. Step 5: Solve for x
    x = 14,123,392,145.73/133,314.92
  6. Step 6: Final answer
    x = 105,940.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.