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Finding the Fourth Proportional to 166,710.02, 250,072.92 and 54,390.02

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Solution

The fourth proportional to 166,710.02, 250,072.92 and 54,390.02 is: 81,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,710.02 : 250,072.92 = 54,390.02 : x
  2. Step 2: Convert to fraction form
    166,710.02/250,072.92 = 54,390.02/x
  3. Step 3: Cross multiply
    166,710.02x = 250,072.92 × 54,390.02
  4. Step 4: Simplify right side
    166,710.02x = 13,601,469,869.89
  5. Step 5: Solve for x
    x = 13,601,469,869.89/166,710.02
  6. Step 6: Final answer
    x = 81,587.60

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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.