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Finding the Fourth Proportional to 110,906.80, 166,360.20 and 60,967.60

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Solution

The fourth proportional to 110,906.80, 166,360.20 and 60,967.60 is: 91,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,906.80 : 166,360.20 = 60,967.60 : x
  2. Step 2: Convert to fraction form
    110,906.80/166,360.20 = 60,967.60/x
  3. Step 3: Cross multiply
    110,906.80x = 166,360.20 × 60,967.60
  4. Step 4: Simplify right side
    110,906.80x = 10,142,582,129.52
  5. Step 5: Solve for x
    x = 10,142,582,129.52/110,906.80
  6. Step 6: Final answer
    x = 91,451.40

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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.