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Finding the Fourth Proportional to 283,357.74, 425,043.91 and 93,817.74

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Solution

The fourth proportional to 283,357.74, 425,043.91 and 93,817.74 is: 140,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,357.74 : 425,043.91 = 93,817.74 : x
  2. Step 2: Convert to fraction form
    283,357.74/425,043.91 = 93,817.74/x
  3. Step 3: Cross multiply
    283,357.74x = 425,043.91 × 93,817.74
  4. Step 4: Simplify right side
    283,357.74x = 39,876,660,220.43
  5. Step 5: Solve for x
    x = 39,876,660,220.43/283,357.74
  6. Step 6: Final answer
    x = 140,729.03

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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.