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Finding the Fourth Proportional to 133,608.98, 184,378.52 and 76,266.48

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Solution

The fourth proportional to 133,608.98, 184,378.52 and 76,266.48 is: 105,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,608.98 : 184,378.52 = 76,266.48 : x
  2. Step 2: Convert to fraction form
    133,608.98/184,378.52 = 76,266.48/x
  3. Step 3: Cross multiply
    133,608.98x = 184,378.52 × 76,266.48
  4. Step 4: Simplify right side
    133,608.98x = 14,061,900,708.01
  5. Step 5: Solve for x
    x = 14,061,900,708.01/133,608.98
  6. Step 6: Final answer
    x = 105,246.67

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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.