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Finding the Fourth Proportional to 283,694.94, 425,604.67 and 84,030.95

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Solution

The fourth proportional to 283,694.94, 425,604.67 and 84,030.95 is: 126,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,694.94 : 425,604.67 = 84,030.95 : x
  2. Step 2: Convert to fraction form
    283,694.94/425,604.67 = 84,030.95/x
  3. Step 3: Cross multiply
    283,694.94x = 425,604.67 × 84,030.95
  4. Step 4: Simplify right side
    283,694.94x = 35,763,965,598.47
  5. Step 5: Solve for x
    x = 35,763,965,598.47/283,694.94
  6. Step 6: Final answer
    x = 126,064.87

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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.