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Finding the Fourth Proportional to 135,995.43, 203,993.20 and 51,736.13

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Solution

The fourth proportional to 135,995.43, 203,993.20 and 51,736.13 is: 77,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,995.43 : 203,993.20 = 51,736.13 : x
  2. Step 2: Convert to fraction form
    135,995.43/203,993.20 = 51,736.13/x
  3. Step 3: Cross multiply
    135,995.43x = 203,993.20 × 51,736.13
  4. Step 4: Simplify right side
    135,995.43x = 10,553,818,714.32
  5. Step 5: Solve for x
    x = 10,553,818,714.32/135,995.43
  6. Step 6: Final answer
    x = 77,604.22

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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.