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Finding the Fourth Proportional to 166,811.20, 250,216.80 and 160,906.30

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Solution

The fourth proportional to 166,811.20, 250,216.80 and 160,906.30 is: 241,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,811.20 : 250,216.80 = 160,906.30 : x
  2. Step 2: Convert to fraction form
    166,811.20/250,216.80 = 160,906.30/x
  3. Step 3: Cross multiply
    166,811.20x = 250,216.80 × 160,906.30
  4. Step 4: Simplify right side
    166,811.20x = 40,261,459,485.84
  5. Step 5: Solve for x
    x = 40,261,459,485.84/166,811.20
  6. Step 6: Final answer
    x = 241,359.45

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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.