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Finding the Fourth Proportional to 166,908.96, 250,188.48 and 61,660.80

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Solution

The fourth proportional to 166,908.96, 250,188.48 and 61,660.80 is: 92,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,908.96 : 250,188.48 = 61,660.80 : x
  2. Step 2: Convert to fraction form
    166,908.96/250,188.48 = 61,660.80/x
  3. Step 3: Cross multiply
    166,908.96x = 250,188.48 × 61,660.80
  4. Step 4: Simplify right side
    166,908.96x = 15,426,821,827.58
  5. Step 5: Solve for x
    x = 15,426,821,827.58/166,908.96
  6. Step 6: Final answer
    x = 92,426.56

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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.