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Finding the Fourth Proportional to 76,444,383.80, 107,324,468.20 and 76,444,383.80

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Solution

The fourth proportional to 76,444,383.80, 107,324,468.20 and 76,444,383.80 is: 107,324,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,444,383.80 : 107,324,468.20 = 76,444,383.80 : x
  2. Step 2: Convert to fraction form
    76,444,383.80/107,324,468.20 = 76,444,383.80/x
  3. Step 3: Cross multiply
    76,444,383.80x = 107,324,468.20 × 76,444,383.80
  4. Step 4: Simplify right side
    76,444,383.80x = 8,204,352,838,211,695
  5. Step 5: Solve for x
    x = 8,204,352,838,211,695/76,444,383.80
  6. Step 6: Final answer
    x = 107,324,468.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.