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Finding the Fourth Proportional to 283,966.76, 425,960.94 and 73,605.32

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Solution

The fourth proportional to 283,966.76, 425,960.94 and 73,605.32 is: 110,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,966.76 : 425,960.94 = 73,605.32 : x
  2. Step 2: Convert to fraction form
    283,966.76/425,960.94 = 73,605.32/x
  3. Step 3: Cross multiply
    283,966.76x = 425,960.94 × 73,605.32
  4. Step 4: Simplify right side
    283,966.76x = 31,352,991,296.20
  5. Step 5: Solve for x
    x = 31,352,991,296.20/283,966.76
  6. Step 6: Final answer
    x = 110,410.78

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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.