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Finding the Fourth Proportional to 166,787.60, 250,119.87 and 72,022.14

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Solution

The fourth proportional to 166,787.60, 250,119.87 and 72,022.14 is: 108,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,787.60 : 250,119.87 = 72,022.14 : x
  2. Step 2: Convert to fraction form
    166,787.60/250,119.87 = 72,022.14/x
  3. Step 3: Cross multiply
    166,787.60x = 250,119.87 × 72,022.14
  4. Step 4: Simplify right side
    166,787.60x = 18,014,168,293.92
  5. Step 5: Solve for x
    x = 18,014,168,293.92/166,787.60
  6. Step 6: Final answer
    x = 108,006.64

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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.