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Finding the Fourth Proportional to 166,871.94, 250,305.73 and 40,513.20

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Solution

The fourth proportional to 166,871.94, 250,305.73 and 40,513.20 is: 60,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,871.94 : 250,305.73 = 40,513.20 : x
  2. Step 2: Convert to fraction form
    166,871.94/250,305.73 = 40,513.20/x
  3. Step 3: Cross multiply
    166,871.94x = 250,305.73 × 40,513.20
  4. Step 4: Simplify right side
    166,871.94x = 10,140,686,100.64
  5. Step 5: Solve for x
    x = 10,140,686,100.64/166,871.94
  6. Step 6: Final answer
    x = 60,769.27

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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.