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Finding the Fourth Proportional to 283,511.01, 425,118.85 and 133,711.08

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Solution

The fourth proportional to 283,511.01, 425,118.85 and 133,711.08 is: 200,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,511.01 : 425,118.85 = 133,711.08 : x
  2. Step 2: Convert to fraction form
    283,511.01/425,118.85 = 133,711.08/x
  3. Step 3: Cross multiply
    283,511.01x = 425,118.85 × 133,711.08
  4. Step 4: Simplify right side
    283,511.01x = 56,843,100,561.86
  5. Step 5: Solve for x
    x = 56,843,100,561.86/283,511.01
  6. Step 6: Final answer
    x = 200,496.98

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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.