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Finding the Fourth Proportional to 283,888.41, 425,759.94 and 84,162.12

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Solution

The fourth proportional to 283,888.41, 425,759.94 and 84,162.12 is: 126,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,888.41 : 425,759.94 = 84,162.12 : x
  2. Step 2: Convert to fraction form
    283,888.41/425,759.94 = 84,162.12/x
  3. Step 3: Cross multiply
    283,888.41x = 425,759.94 × 84,162.12
  4. Step 4: Simplify right side
    283,888.41x = 35,832,859,161.47
  5. Step 5: Solve for x
    x = 35,832,859,161.47/283,888.41
  6. Step 6: Final answer
    x = 126,221.63

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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.