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Finding the Fourth Proportional to 283,676.10, 425,564.46 and 94,147.80

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Solution

The fourth proportional to 283,676.10, 425,564.46 and 94,147.80 is: 141,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,676.10 : 425,564.46 = 94,147.80 : x
  2. Step 2: Convert to fraction form
    283,676.10/425,564.46 = 94,147.80/x
  3. Step 3: Cross multiply
    283,676.10x = 425,564.46 × 94,147.80
  4. Step 4: Simplify right side
    283,676.10x = 40,065,957,667.19
  5. Step 5: Solve for x
    x = 40,065,957,667.19/283,676.10
  6. Step 6: Final answer
    x = 141,238.40

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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.