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Finding the Fourth Proportional to 283,786.92, 425,668.08 and 70,550.37

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Solution

The fourth proportional to 283,786.92, 425,668.08 and 70,550.37 is: 105,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,786.92 : 425,668.08 = 70,550.37 : x
  2. Step 2: Convert to fraction form
    283,786.92/425,668.08 = 70,550.37/x
  3. Step 3: Cross multiply
    283,786.92x = 425,668.08 × 70,550.37
  4. Step 4: Simplify right side
    283,786.92x = 30,031,040,541.19
  5. Step 5: Solve for x
    x = 30,031,040,541.19/283,786.92
  6. Step 6: Final answer
    x = 105,822.50

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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.