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Finding the Fourth Proportional to 283,715.92, 425,636.12 and 84,051.91

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Solution

The fourth proportional to 283,715.92, 425,636.12 and 84,051.91 is: 126,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,715.92 : 425,636.12 = 84,051.91 : x
  2. Step 2: Convert to fraction form
    283,715.92/425,636.12 = 84,051.91/x
  3. Step 3: Cross multiply
    283,715.92x = 425,636.12 × 84,051.91
  4. Step 4: Simplify right side
    283,715.92x = 35,775,528,850.99
  5. Step 5: Solve for x
    x = 35,775,528,850.99/283,715.92
  6. Step 6: Final answer
    x = 126,096.30

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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.