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Finding the Fourth Proportional to 166,998.30, 250,497.45 and 161,093.40

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Solution

The fourth proportional to 166,998.30, 250,497.45 and 161,093.40 is: 241,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,998.30 : 250,497.45 = 161,093.40 : x
  2. Step 2: Convert to fraction form
    166,998.30/250,497.45 = 161,093.40/x
  3. Step 3: Cross multiply
    166,998.30x = 250,497.45 × 161,093.40
  4. Step 4: Simplify right side
    166,998.30x = 40,353,485,911.83
  5. Step 5: Solve for x
    x = 40,353,485,911.83/166,998.30
  6. Step 6: Final answer
    x = 241,640.10

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1.5x scale

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.