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Finding the Fourth Proportional to 84,489.82, 116,587.96 and 50,491.53

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Solution

The fourth proportional to 84,489.82, 116,587.96 and 50,491.53 is: 69,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,489.82 : 116,587.96 = 50,491.53 : x
  2. Step 2: Convert to fraction form
    84,489.82/116,587.96 = 50,491.53/x
  3. Step 3: Cross multiply
    84,489.82x = 116,587.96 × 50,491.53
  4. Step 4: Simplify right side
    84,489.82x = 5,886,704,353.75
  5. Step 5: Solve for x
    x = 5,886,704,353.75/84,489.82
  6. Step 6: Final answer
    x = 69,673.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.