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Finding the Fourth Proportional to 166,740, 250,134.04 and 54,392.42

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Solution

The fourth proportional to 166,740, 250,134.04 and 54,392.42 is: 81,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,740 : 250,134.04 = 54,392.42 : x
  2. Step 2: Convert to fraction form
    166,740/250,134.04 = 54,392.42/x
  3. Step 3: Cross multiply
    166,740x = 250,134.04 × 54,392.42
  4. Step 4: Simplify right side
    166,740x = 13,605,395,759.98
  5. Step 5: Solve for x
    x = 13,605,395,759.98/166,740
  6. Step 6: Final answer
    x = 81,596.47

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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.