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Finding the Fourth Proportional to 283,543,323.52, 425,314,985.52 and 68,132,571.52

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Solution

The fourth proportional to 283,543,323.52, 425,314,985.52 and 68,132,571.52 is: 102,198,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,543,323.52 : 425,314,985.52 = 68,132,571.52 : x
  2. Step 2: Convert to fraction form
    283,543,323.52/425,314,985.52 = 68,132,571.52/x
  3. Step 3: Cross multiply
    283,543,323.52x = 425,314,985.52 × 68,132,571.52
  4. Step 4: Simplify right side
    283,543,323.52x = 28,977,803,669,469,160
  5. Step 5: Solve for x
    x = 28,977,803,669,469,160/283,543,323.52
  6. Step 6: Final answer
    x = 102,198,857.34

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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.