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Finding the Fourth Proportional to 111,230.33, 166,844.10 and 26,991.20

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Solution

The fourth proportional to 111,230.33, 166,844.10 and 26,991.20 is: 40,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,230.33 : 166,844.10 = 26,991.20 : x
  2. Step 2: Convert to fraction form
    111,230.33/166,844.10 = 26,991.20/x
  3. Step 3: Cross multiply
    111,230.33x = 166,844.10 × 26,991.20
  4. Step 4: Simplify right side
    111,230.33x = 4,503,321,637.70
  5. Step 5: Solve for x
    x = 4,503,321,637.70/111,230.33
  6. Step 6: Final answer
    x = 40,486.46

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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.