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Finding the Fourth Proportional to 220,012.38, 303,617.01 and 119,410.38

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Solution

The fourth proportional to 220,012.38, 303,617.01 and 119,410.38 is: 164,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,012.38 : 303,617.01 = 119,410.38 : x
  2. Step 2: Convert to fraction form
    220,012.38/303,617.01 = 119,410.38/x
  3. Step 3: Cross multiply
    220,012.38x = 303,617.01 × 119,410.38
  4. Step 4: Simplify right side
    220,012.38x = 36,255,022,538.56
  5. Step 5: Solve for x
    x = 36,255,022,538.56/220,012.38
  6. Step 6: Final answer
    x = 164,786.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.