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Finding the Fourth Proportional to 111,236.14, 166,852.82 and 26,997

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Solution

The fourth proportional to 111,236.14, 166,852.82 and 26,997 is: 40,495.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,236.14 : 166,852.82 = 26,997 : x
  2. Step 2: Convert to fraction form
    111,236.14/166,852.82 = 26,997/x
  3. Step 3: Cross multiply
    111,236.14x = 166,852.82 × 26,997
  4. Step 4: Simplify right side
    111,236.14x = 4,504,525,581.54
  5. Step 5: Solve for x
    x = 4,504,525,581.54/111,236.14
  6. Step 6: Final answer
    x = 40,495.16

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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.