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Finding the Fourth Proportional to 239,667.85, 330,743.40 and 132,241.87

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Solution

The fourth proportional to 239,667.85, 330,743.40 and 132,241.87 is: 182,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,667.85 : 330,743.40 = 132,241.87 : x
  2. Step 2: Convert to fraction form
    239,667.85/330,743.40 = 132,241.87/x
  3. Step 3: Cross multiply
    239,667.85x = 330,743.40 × 132,241.87
  4. Step 4: Simplify right side
    239,667.85x = 43,738,125,706.16
  5. Step 5: Solve for x
    x = 43,738,125,706.16/239,667.85
  6. Step 6: Final answer
    x = 182,494.76

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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.