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Finding the Fourth Proportional to 283,443,424.40, 425,165,136.60 and 91,967,200.40

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Solution

The fourth proportional to 283,443,424.40, 425,165,136.60 and 91,967,200.40 is: 137,950,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,443,424.40 : 425,165,136.60 = 91,967,200.40 : x
  2. Step 2: Convert to fraction form
    283,443,424.40/425,165,136.60 = 91,967,200.40/x
  3. Step 3: Cross multiply
    283,443,424.40x = 425,165,136.60 × 91,967,200.40
  4. Step 4: Simplify right side
    283,443,424.40x = 39,101,247,320,785,576
  5. Step 5: Solve for x
    x = 39,101,247,320,785,576/283,443,424.40
  6. Step 6: Final answer
    x = 137,950,800.60

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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.