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Finding the Fourth Proportional to 69,493.92, 104,224.92 and 41,421.92

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Solution

The fourth proportional to 69,493.92, 104,224.92 and 41,421.92 is: 62,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,493.92 : 104,224.92 = 41,421.92 : x
  2. Step 2: Convert to fraction form
    69,493.92/104,224.92 = 41,421.92/x
  3. Step 3: Cross multiply
    69,493.92x = 104,224.92 × 41,421.92
  4. Step 4: Simplify right side
    69,493.92x = 4,317,196,298.25
  5. Step 5: Solve for x
    x = 4,317,196,298.25/69,493.92
  6. Step 6: Final answer
    x = 62,123.37

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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.