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Finding the Fourth Proportional to 166,791.25, 250,212.80 and 56,009.17

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Solution

The fourth proportional to 166,791.25, 250,212.80 and 56,009.17 is: 84,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,791.25 : 250,212.80 = 56,009.17 : x
  2. Step 2: Convert to fraction form
    166,791.25/250,212.80 = 56,009.17/x
  3. Step 3: Cross multiply
    166,791.25x = 250,212.80 × 56,009.17
  4. Step 4: Simplify right side
    166,791.25x = 14,014,211,251.38
  5. Step 5: Solve for x
    x = 14,014,211,251.38/166,791.25
  6. Step 6: Final answer
    x = 84,022.46

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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.