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Finding the Fourth Proportional to 84,321,000.95, 126,481,501.43 and 84,321,000.95

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Solution

The fourth proportional to 84,321,000.95, 126,481,501.43 and 84,321,000.95 is: 126,481,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,321,000.95 : 126,481,501.43 = 84,321,000.95 : x
  2. Step 2: Convert to fraction form
    84,321,000.95/126,481,501.43 = 84,321,000.95/x
  3. Step 3: Cross multiply
    84,321,000.95x = 126,481,501.43 × 84,321,000.95
  4. Step 4: Simplify right side
    84,321,000.95x = 10,665,046,801,814,852
  5. Step 5: Solve for x
    x = 10,665,046,801,814,852/84,321,000.95
  6. Step 6: Final answer
    x = 126,481,501.43

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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.