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Finding the Fourth Proportional to 61,355.46, 91,992.19 and 49,523.79

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Solution

The fourth proportional to 61,355.46, 91,992.19 and 49,523.79 is: 74,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,355.46 : 91,992.19 = 49,523.79 : x
  2. Step 2: Convert to fraction form
    61,355.46/91,992.19 = 49,523.79/x
  3. Step 3: Cross multiply
    61,355.46x = 91,992.19 × 49,523.79
  4. Step 4: Simplify right side
    61,355.46x = 4,555,801,899.20
  5. Step 5: Solve for x
    x = 4,555,801,899.20/61,355.46
  6. Step 6: Final answer
    x = 74,252.59

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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.