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Finding the Fourth Proportional to 166,820.40, 250,230.60 and 111,027.60

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Solution

The fourth proportional to 166,820.40, 250,230.60 and 111,027.60 is: 166,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,820.40 : 250,230.60 = 111,027.60 : x
  2. Step 2: Convert to fraction form
    166,820.40/250,230.60 = 111,027.60/x
  3. Step 3: Cross multiply
    166,820.40x = 250,230.60 × 111,027.60
  4. Step 4: Simplify right side
    166,820.40x = 27,782,502,964.56
  5. Step 5: Solve for x
    x = 27,782,502,964.56/166,820.40
  6. Step 6: Final answer
    x = 166,541.40

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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.