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Finding the Fourth Proportional to 119,764.56, 179,667.36 and 49,605.60

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Solution

The fourth proportional to 119,764.56, 179,667.36 and 49,605.60 is: 74,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,764.56 : 179,667.36 = 49,605.60 : x
  2. Step 2: Convert to fraction form
    119,764.56/179,667.36 = 49,605.60/x
  3. Step 3: Cross multiply
    119,764.56x = 179,667.36 × 49,605.60
  4. Step 4: Simplify right side
    119,764.56x = 8,912,507,193.22
  5. Step 5: Solve for x
    x = 8,912,507,193.22/119,764.56
  6. Step 6: Final answer
    x = 74,416.90

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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.